Add Digits Of Number

#include <stdio.h>

 

int main() {

 

  int n, sum = 0, remainder;

 

  printf("Enter an integer\n");

  scanf("%d", &n);

 

  while (n != 0) {

 

    remainder = n % 10;

    sum = sum + remainder;

    n = n / 10;

 

  }

 

  printf("Sum of digits of entered number = %d\n", sum);

 

  return 0;

}
















OUTPUT

Enter an integer
1659
Sum of digits of entered number = 21