diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree.sln" "b/Homework \342\204\2267/ParsingTree/ParsingTree.sln"
new file mode 100644
index 0000000..3f0d84b
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree.sln"	
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31410.357
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ParsingTree", "ParsingTree\ParsingTree.vcxproj", "{AEA90FA6-F26C-4B74-9508-AD999204C4FA}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Debug|x64.ActiveCfg = Debug|x64
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Debug|x64.Build.0 = Debug|x64
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Debug|x86.ActiveCfg = Debug|Win32
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Debug|x86.Build.0 = Debug|Win32
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Release|x64.ActiveCfg = Release|x64
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Release|x64.Build.0 = Release|x64
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Release|x86.ActiveCfg = Release|Win32
+		{AEA90FA6-F26C-4B74-9508-AD999204C4FA}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {65329AED-E765-4723-93C5-B2671094F619}
+	EndGlobalSection
+EndGlobal
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/Main.c" "b/Homework \342\204\2267/ParsingTree/ParsingTree/Main.c"
new file mode 100644
index 0000000..1a8c6b8
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/Main.c"	
@@ -0,0 +1,9 @@
+#include "TestParsingTree.h"
+
+int main()
+{
+    if (!testFindAnswer())
+    {
+        return -1;
+    }
+}
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.c" "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.c"
new file mode 100644
index 0000000..162f430
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.c"	
@@ -0,0 +1,211 @@
+#include "ParsingTree.h"
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdbool.h>
+
+typedef struct Node
+{
+    struct Node* leftSon;
+    struct Node* rightSon;
+    struct Node* parent;
+    char symbol;
+    int expressionValues;
+} Node;
+
+typedef enum Direction
+{
+    left,
+    right
+} Direction;
+
+Node* createTree()
+{
+    return NULL;
+}
+
+void deleteTreeRecursive(Node* root)
+{
+    if (root == NULL)
+    {
+        return;
+    }
+    deleteTreeRecursive(root->leftSon);
+    deleteTreeRecursive(root->rightSon);
+    free(root);
+}
+
+void deleteTree(Node** root)
+{
+    deleteTreeRecursive(*root);
+    *root = NULL;
+}
+
+Node* returnRoot(Node* node)
+{
+    if (node == NULL)
+    {
+        return node;
+    }
+    while (node->parent != NULL)
+    {
+        node = node->parent;
+    }
+    return node;
+}
+
+bool isOperator(char symbol)
+{
+    return symbol == '+' || symbol == '-'
+        || symbol == '*' || symbol == '/';
+}
+
+void attach(Node* parent, Node* child, Direction direction)
+{
+    if (parent == NULL)
+    {
+        return;
+    }
+    if (direction == left)
+    {
+        parent->leftSon = child;
+    }
+    else
+    {
+        parent->rightSon = child;
+    }
+    if (child != NULL)
+    {
+        child->parent = parent;
+    }
+}
+
+Node* createNode(char symbol)
+{
+    Node* newNode = (Node*)calloc(1, sizeof(Node));
+    if (newNode == NULL)
+    {
+        return NULL;
+    }
+    newNode->symbol = symbol;
+    newNode->expressionValues = isOperator(symbol) ? 0 : symbol - '0';
+    return newNode;
+}
+
+Node* addNode(const char* array, int* counter, Node* node)
+{
+    if (*counter > 0 && node == NULL)
+    {
+        return NULL;
+    }
+    while (array[*counter] == '(' || array[*counter] == ')'
+        || array[*counter] == ' ')
+    {
+        (*counter)++;
+    }
+    if (isOperator(array[*counter]))
+    {
+        Node* temporary = createNode(array[*counter]);
+        if (temporary == NULL)
+        {
+            node = returnRoot(node);
+            deleteTree(&node);
+            return NULL;
+        }
+        Node* operator = temporary;
+        (*counter)++;
+        attach(operator, addNode(array, counter, operator), left);
+        attach(operator, addNode(array, counter, operator), right);
+        return operator;
+    }
+    Node* operand = createNode(array[*counter]);
+    if (operand == NULL)
+    {
+        node = returnRoot(node);
+        deleteTree(&node);
+        return NULL;
+    }
+    (*counter)++;
+    return operand;
+}
+
+Node* buildTree(const char* array)
+{
+    int counter = 0;
+    Node* node = NULL;
+    return addNode(array, &counter, node);
+}
+
+int findAnswer(Node* root, int* error)
+{
+    if (*error != 0)
+    {
+        return 0;
+    }
+    if (root == NULL)
+    {
+        *error = 1;
+        return 0;
+    }
+    if (root->rightSon == NULL && root->leftSon == NULL)
+    {
+        return root->expressionValues;
+    }
+    if (root->leftSon != NULL)
+    {
+        root->leftSon->expressionValues = findAnswer(root->leftSon, error);
+    }
+    if (root->rightSon != NULL)
+    {
+        root->rightSon->expressionValues = findAnswer(root->rightSon, error);
+    }
+    if (root->rightSon != NULL && root->leftSon != NULL)
+    {
+        if (root->symbol == '+')
+        {
+            root->expressionValues = root->leftSon->expressionValues + root->rightSon->expressionValues;
+        }
+        if (root->symbol == '-')
+        {
+            root->expressionValues = root->leftSon->expressionValues - root->rightSon->expressionValues;
+        }
+        if (root->symbol == '*')
+        {
+            root->expressionValues = root->leftSon->expressionValues * root->rightSon->expressionValues;
+        }
+        if (root->symbol == '/')
+        {
+            root->expressionValues = root->leftSon->expressionValues / root->rightSon->expressionValues;
+        }
+    }
+    return root->expressionValues;
+}
+
+void printTreeRecursive(Node* root)
+{
+    if (root == NULL)
+    {
+        return;
+    }
+    if (isOperator(root->symbol))
+    {
+        printf("%c ", '(');
+        printf("%c ", root->symbol);
+    }
+    else if (root->parent != NULL && root->parent->rightSon == root)
+    {
+        printf("%c ", root->symbol);
+        printf("%c ", ')');
+    }
+    else
+    {
+        printf("%c ", root->symbol);
+    }
+    printTreeRecursive(root->leftSon);
+    printTreeRecursive(root->rightSon);
+}
+
+void printTree(Node* root)
+{
+    printTreeRecursive(root);
+    printf("%c", ')');
+}
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.h" "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.h"
new file mode 100644
index 0000000..f796295
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.h"	
@@ -0,0 +1,16 @@
+#pragma once
+
+// Structure representing a tree
+typedef struct Node Node;
+
+// Function for deleting a  tree
+void deleteTree(Node** root);
+
+// Function for building a tree
+Node* buildTree(const char* array);
+
+// Function for calculating the value of an expression
+int findAnswer(Node* root, int* error);
+
+// Function for tree output
+void printTree(Node* root);
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj" "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj"
new file mode 100644
index 0000000..6574a5c
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj"	
@@ -0,0 +1,153 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{aea90fa6-f26c-4b74-9508-ad999204c4fa}</ProjectGuid>
+    <RootNamespace>ParsingTree</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="Main.c" />
+    <ClCompile Include="ParsingTree.c" />
+    <ClCompile Include="TestParsingTree.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="ParsingTree.h" />
+    <ClInclude Include="TestParsingTree.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj.filters" "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj.filters"
new file mode 100644
index 0000000..3c2eee1
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/ParsingTree.vcxproj.filters"	
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Исходные файлы">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Файлы заголовков">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Файлы ресурсов">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="ParsingTree.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="TestParsingTree.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="Main.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="ParsingTree.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+    <ClInclude Include="TestParsingTree.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.c" "b/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.c"
new file mode 100644
index 0000000..3c35511
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.c"	
@@ -0,0 +1,24 @@
+#include "ParsingTree.h"
+#include "TestParsingTree.h"
+
+bool testFindAnswer()
+{
+    Node* firstTree = buildTree("1");
+    int error = 0;
+    const int firstAnswer = findAnswer(firstTree, &error);
+    deleteTree(&firstTree);
+
+    Node* secondTree = buildTree("(/ (+ (* (+ 5 6) 7) 8) (+ (- (+ 5 6) 9) 3))");
+    const int secondAnswer = findAnswer(secondTree, &error);
+    deleteTree(&secondTree);
+
+    Node* thirdTree = buildTree("(* (+ 1 1) 2)");
+    const int thirdAnswer = findAnswer(thirdTree, &error);
+    deleteTree(&thirdTree);
+
+    Node* fourthTree = buildTree("(+ (- 5 5) 6)");
+    const int fourthAnswer = findAnswer(fourthTree, &error);
+    deleteTree(&fourthTree);
+
+    return firstAnswer == 1 && secondAnswer == 17 && thirdAnswer == 4 && fourthAnswer == 6 && error == 0;
+}
\ No newline at end of file
diff --git "a/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.h" "b/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.h"
new file mode 100644
index 0000000..ac1973d
--- /dev/null
+++ "b/Homework \342\204\2267/ParsingTree/ParsingTree/TestParsingTree.h"	
@@ -0,0 +1,5 @@
+#pragma once
+#include <stdbool.h>
+
+// Function for testing a function that finds the value of an expression
+bool testFindAnswer();
\ No newline at end of file
diff --git "a/Homework \342\204\2267/TreeSolution/TreeSolution.sln" "b/Homework \342\204\2267/TreeSolution/TreeSolution.sln"
new file mode 100644
index 0000000..78f7792
--- /dev/null
+++ "b/Homework \342\204\2267/TreeSolution/TreeSolution.sln"	
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31410.357
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "TreeSolution", "TreeSolution\TreeSolution.vcxproj", "{927A7B23-607A-4F48-908C-EEA30FF861D3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Debug|x64.ActiveCfg = Debug|x64
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Debug|x64.Build.0 = Debug|x64
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Debug|x86.ActiveCfg = Debug|Win32
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Debug|x86.Build.0 = Debug|Win32
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Release|x64.ActiveCfg = Release|x64
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Release|x64.Build.0 = Release|x64
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Release|x86.ActiveCfg = Release|Win32
+		{927A7B23-607A-4F48-908C-EEA30FF861D3}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {C939FC48-9E8F-43EC-906A-34C40C84EEFA}
+	EndGlobalSection
+EndGlobal
diff --git "a/Homework \342\204\2267/TreeSolution/TreeSolution/Expression.txt" "b/Homework \342\204\2267/TreeSolution/TreeSolution/Expression.txt"
new file mode 100644
index 0000000..97d33c2
--- /dev/null
+++ "b/Homework \342\204\2267/TreeSolution/TreeSolution/Expression.txt"	
@@ -0,0 +1 @@
+(/ (+ (* (+ 5 6) 7) 8) (+ (- (+ 5 6) 9) 3))
\ No newline at end of file
diff --git "a/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.c" "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.c"
new file mode 100644
index 0000000..f1f9b55
--- /dev/null
+++ "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.c"	
@@ -0,0 +1,60 @@
+#include "../../ParsingTree/ParsingTree/ParsingTree.h"
+#include <stdio.h>
+#include <malloc.h>
+
+const char* readExpression(const char* fileName, int* error)
+{
+    FILE* file = fopen(fileName, "r");
+    if (file == NULL)
+    {
+        *error = 1;
+        return NULL;
+    }
+    // The size of the expression in the file is limited to 99 characters
+    char* expression = calloc(100, sizeof(char));
+    if (expression == NULL)
+    {
+        *error = 3;
+        fclose(file);
+        return NULL;
+    }
+    const char* result = fgets(expression, 100, file);
+    if (result == NULL)
+    {
+        free(expression);
+        *error = 2;
+    }
+    fclose(file);
+    return result;
+}
+
+int main()
+{
+    int error = 0;
+    const char* expression = readExpression("Expression.txt", &error);
+    if (error == 1)
+    {
+        printf("Could not open the file");
+        return -1;
+    }
+    if (error == 2)
+    {
+        printf("Could not read expression from file");
+        return -1;
+    }
+    if (error == 3)
+    {
+        printf("Memory not allocated");
+        return -1;
+    }
+    Node* tree = buildTree(expression);
+    free(expression);
+    const int answer = findAnswer(tree, &error);
+    if (error == 1)
+    {
+        return -1;
+    }
+    printf("value of the expression : %d\n", answer);
+    printTree(tree);
+    deleteTree(&tree);
+}
\ No newline at end of file
diff --git "a/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj" "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj"
new file mode 100644
index 0000000..399c7d0
--- /dev/null
+++ "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj"	
@@ -0,0 +1,151 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{927a7b23-607a-4f48-908c-eea30ff861d3}</ProjectGuid>
+    <RootNamespace>TreeSolution</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\ParsingTree\ParsingTree\ParsingTree.c" />
+    <ClCompile Include="TreeSolution.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\ParsingTree\ParsingTree\ParsingTree.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git "a/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj.filters" "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj.filters"
new file mode 100644
index 0000000..1a51f0f
--- /dev/null
+++ "b/Homework \342\204\2267/TreeSolution/TreeSolution/TreeSolution.vcxproj.filters"	
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Исходные файлы">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Файлы заголовков">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Файлы ресурсов">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="TreeSolution.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+    <ClCompile Include="..\..\ParsingTree\ParsingTree\ParsingTree.c">
+      <Filter>Исходные файлы</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\ParsingTree\ParsingTree\ParsingTree.h">
+      <Filter>Файлы заголовков</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>
\ No newline at end of file