diff --git a/CPP Programs/printno.cpp b/CPP Programs/printno.cpp
index 399420b..6bed17d 100644
--- a/CPP Programs/printno.cpp	
+++ b/CPP Programs/printno.cpp	
@@ -2,11 +2,24 @@
 using namespace std;
 
 int main() {    
-    int number;
+    int number,i,m=0,flag=0;
 
-    cout << "Enter an integer: ";
+   cout << "Enter an integer: ";
     cin >> number;
 
-    cout << "You entered " << number;    
+    cout << "You entered " << number;  
+
+     m=number/2;  
+  for(i = 2; i <= m; i++)  
+  {  
+      if(number % i == 0)  
+      {  
+          cout<<" ,Number is not Prime."<<endl;  
+          flag=1;  
+          break;  
+      }  
+  }  
+  if (flag==0)  
+      cout << " ,Number is Prime."<<endl; 
     return 0;
-}
\ No newline at end of file
+}
diff --git a/helloworld.c b/helloworld.c
index e13dbd0..be8760c 100644
--- a/helloworld.c
+++ b/helloworld.c
@@ -1,7 +1,26 @@
 #include <stdio.h>
-
+#include <stdlib.h>
+int leapYear(int);
 int main()
 {
-    printf("HAPPY NEW YEAR");
+    printf("happy new year\n");
+     printf("----Lest check this year is leap year or not-------\n");
+    int year;
+    printf("Enter the year : \n");
+    scanf("%d",&year);
+
+    if(leapYear(year))
+        printf("%d is a leap year",year);
+    else
+        printf("%d is not a leap year",year);
+        getch();
     return 0;
-}    
\ No newline at end of file
+}
+int leapYear(int x)
+{
+    if((x%400==0)||((x%4==0)&&(x%100!=0)))
+
+       return 1;
+    else
+        return 0;
+}