#include <stdio.h>
#include <string.h>
int main()
{
char name[ ]= "Prayag_Verma";
int len1, len2;
len1 = strlen(name);
len2 = strlen("Aimtocode");
printf("length of %s = %d\n", name, len1);
printf("length of %s = %d\n", "Hello World", len2);
return 0;
}