Sum of Digits of a Five Digit Number (Easy)

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <stdlib.h>

int main() {
	
    int n, d, s=0,i;
    scanf("%d", &n);

    for(i=1; i<6; i++){
        d = n%10;
        s += d;
        n /= 10;
    }
    printf("%d",s);
    return 0;
}