diff --git a/Hello world b/Hello world
index 3b7617c..95c3c64 100644
--- a/Hello world	
+++ b/Hello world	
@@ -1,6 +1,10 @@
 #include <stdio.h>
 int main()
 {
+   int a=5,b=6,sum;
    printf("Hello, World!");
+   printf("This is my repositry");
+   sum=a+b;
+   printf("%d",sum);
    return 0;
 }
diff --git a/frequency of a character b/frequency of a character
index b5334ac..5e803ba 100644
--- a/frequency of a character	
+++ b/frequency of a character	
@@ -1,7 +1,9 @@
+#include<stdio.h>
+#include<conio.h>
 int main()
 {
-   char str[1000], ch
-   int i, frequency = 0
+   char str[1000], ch;
+   int i, frequency = 0;
    print("Enter a string: ");
    gets(str);
    printf("Enter a character to find the frequency: ");