Sum of Digit Using Goto Statement C Program

#include <stdio.h>

int main()

{

    int n, sum=0, r; 

    printf("\nEnter the number : ");

    scanf("%d" , &n);

    s:

    r=n%10;

    n=n/10;

    sum=sum+r;

    if(n!=0)

    {

        goto s; (will go to s and run again)

    }

    printf("\nSum = %d", sum);

    return 0;

}