C programs to add two values using while loop

/* Write a C programs to add two values using while loop  */

#include<stdio.h>

int main() {
   int num1 = 10, num2 = 5, i;

   while (num2 > 0) {
      num1++;
      num2--;
   }

   printf("%d", num1);
   return (0);
}

Output
---------

15