diff --git a/5.Stack-and-Quene/Stack/stack.c b/5.Stack-and-Quene/Stack/stack.c
new file mode 100644
index 0000000..f23663f
--- /dev/null
+++ b/5.Stack-and-Quene/Stack/stack.c
@@ -0,0 +1,74 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "stack.h"
+
+
+OBJ* stack_new(void)
+{
+    return NULL;
+}
+
+OBJ* stack_push(OBJ* top, char data)
+{
+    OBJ* ptr = malloc(sizeof(OBJ));
+    ptr->data = data;
+    ptr->next = top;
+
+    return ptr;
+}
+
+// Взять элемент со стека
+OBJ* stack_pop(OBJ* top)
+{
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return top;
+    }
+
+    OBJ* ptr_next = top->next;
+    free(top);
+
+    return ptr_next;
+}
+
+OBJ* stack_delete(OBJ* top)
+{
+    OBJ* current = top;
+    while (current != NULL)
+    {
+        OBJ* temp = current;
+        current = current->next;
+        free(temp);
+    }
+    
+    return 0;
+}
+
+// Функция для просмотра элемента сверху
+char stack_peek(const OBJ* top)
+{
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return -1;
+    }
+
+    return top->data;
+}
+
+void show(const OBJ* top)
+{
+    const OBJ* current = top;
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return;
+    }
+
+    while(current != NULL)
+    {
+        printf("%d\n", current->data);
+        current = current->next;
+    }
+}
diff --git a/5.Stack-and-Quene/Stack/stack.h b/5.Stack-and-Quene/Stack/stack.h
new file mode 100644
index 0000000..83434cc
--- /dev/null
+++ b/5.Stack-and-Quene/Stack/stack.h
@@ -0,0 +1,28 @@
+#ifndef STACK_H
+#define STACK_H
+
+typedef struct tag_obj
+{
+    char data;
+    struct tag_obj* next;
+} OBJ;
+
+// Создание нового стека
+OBJ* stack_new(void);
+
+// Добавление элемента на стек
+OBJ* stack_push(OBJ* top, char data);
+
+// Удаление верхнего элемента
+OBJ* stack_pop(OBJ* top);
+
+// Удаление стека
+OBJ* stack_delete(OBJ* top);
+
+// Просмотр верхнего элемента
+char stack_peek(const OBJ* top);
+
+// Вывод содержимого
+void stack_show(OBJ* top);
+
+#endif
\ No newline at end of file
diff --git a/5.Stack-and-Quene/Task_1/Advancd-bracket-balance.c b/5.Stack-and-Quene/Task_1/Advancd-bracket-balance.c
new file mode 100644
index 0000000..bd39178
--- /dev/null
+++ b/5.Stack-and-Quene/Task_1/Advancd-bracket-balance.c
@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <string.h>
+#include "../Stack/stack.h"
+
+
+char get_matching_opening(char closing) {
+    switch(closing) {
+        case ')': return '(';
+        case ']': return '[';
+        case '}': return '{';
+        default: return '\0';
+    }
+}
+
+int check_balance(const char* text)
+{
+    OBJ* stack = stack_new();
+    int length = strlen(text);
+
+    for (int i = 0; i < length; i++)
+    {
+        char current = text[i];
+
+        if(current == '(' || current == '[' || current == '{')
+        {
+            stack = stack_push(stack, current);
+        }
+
+        else if(current == ')' || current == ']' || current == '}')
+        {
+            if(stack == NULL) 
+            {
+                stack_delete(stack);
+                return 0;
+            }
+
+            char expected = get_matching_opening(current);
+            char actual = stack_peek(stack);
+
+            if(actual == expected) 
+            {
+                stack = stack_pop(stack);
+            } 
+            else 
+            {
+                stack_delete(stack);
+                return 0;
+            }
+        }
+    }
+
+    int result = (stack == NULL);
+    stack_delete(stack);
+
+    return result;
+}
+
+
+int main(void)
+{
+    char text[1000];
+    
+    printf("Введите текст\n");
+    if (fgets(text, sizeof(text), stdin) == NULL) 
+    {
+        printf("Ошибка ввода!\n");
+        return 1;
+    }
+
+    if (check_balance(text))
+    {
+        printf("Скобки сбалансированы\n");
+    }
+
+    else
+    {
+        printf("Скобки не сбалансированны\n");
+    }
+
+    return 0;
+
+}
diff --git a/5.Stack-and-Quene/Task_1/a.out b/5.Stack-and-Quene/Task_1/a.out
new file mode 100755
index 0000000..d80c904
Binary files /dev/null and b/5.Stack-and-Quene/Task_1/a.out differ
diff --git a/Stack/stack.c b/Stack/stack.c
new file mode 100644
index 0000000..51cb4a7
--- /dev/null
+++ b/Stack/stack.c
@@ -0,0 +1,80 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include "stack.h"
+
+
+typedef struct tag_obj
+{
+    int data;
+    struct tag_obj* next;
+} OBJ;
+
+OBJ* stack_new(void)
+{
+    return NULL;
+}
+
+OBJ* stack_push(OBJ* top, int data)
+{
+    OBJ* ptr = malloc(sizeof(OBJ));
+    ptr->data = data;
+    ptr->next = top;
+
+    return ptr;
+}
+
+// Взять элемент со стека
+OBJ* stack_pop(OBJ* top)
+{
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return top;
+    }
+
+    OBJ* ptr_next = top->next;
+    free(top);
+
+    return ptr_next;
+}
+
+OBJ* stack_delete(OBJ* top)
+{
+    OBJ* current = top;
+    while (current != NULL)
+    {
+        OBJ* temp = current;
+        current = current->next;
+        free(temp);
+    }
+    
+    return 0;
+}
+
+// Функция для просмотра элемента сверху
+int stack_peek(const OBJ* top)
+{
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return -1;
+    }
+
+    return top->data;
+}
+
+void show(const OBJ* top)
+{
+    const OBJ* current = top;
+    if(top == NULL)
+    {
+        printf("Стек пуст\n");
+        return;
+    }
+
+    while(current != NULL)
+    {
+        printf("%d\n", current->data);
+        current = current->next;
+    }
+}
diff --git a/Stack/stack.h b/Stack/stack.h
new file mode 100644
index 0000000..ee80b5f
--- /dev/null
+++ b/Stack/stack.h
@@ -0,0 +1,28 @@
+#ifdef STACK_H
+#define STACK_H
+
+typedef struct tag_obj
+{
+    int data;
+    struct tag_obj* next;
+} OBJ;
+
+// Создание нового стека
+OBJ* stack_new(void);
+
+// Добавление элемента на стек
+OBJ* stack_push(OBJ* top, int data);
+
+// Удаление верхнего элемента
+OBJ* stack_pop(OBJ* top);
+
+// Удаление стека
+OBJ* stack_delete(OBJ* top);
+
+// Просмотр верхнего элемента
+int stack_peek(OBJ* top);
+
+// Вывод содержимого
+void stack_show(OBJ* top);
+
+#endif
\ No newline at end of file