diff --git a/aslam1.c b/aslam1.c
new file mode 100644
index 0000000..d3b751c
--- /dev/null
+++ b/aslam1.c
@@ -0,0 +1,10 @@
+#include<stdio.h>
+void main()
+ {
+    int a,b,c;
+    printf("enter the num");
+    scanf("%d%d",a,b);
+    c=a+b;
+    printf("sum is%d",c);
+    getch();
+ }
diff --git a/r.c b/r.c
new file mode 100644
index 0000000..2eb220a
--- /dev/null
+++ b/r.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <string.h>
+ 
+void reverse(char [], int, int);
+int main()
+{
+    char str1[20];
+    int size;
+ 
+    printf("Enter a string to reverse: ");
+    scanf("%s", str1);
+    size = strlen(str1);
+    reverse(str1, 0, size - 1);
+    printf("The string after reversing is: %s\n", str1);
+    return 0;
+}
+ 
+void reverse(char str1[], int index, int size)
+{
+    char temp;
+    temp = str1[index];
+    str1[index] = str1[size - index];
+    str1[size - index] = temp;
+    if (index == size / 2)
+    {
+        return;
+    }
+    reverse(str1, index + 1, size);
+}