ABC101B - Digit Sums

問題：B - Digit Sums

#include <iostream>
using namespace std;

int getS(int x_n) {
    int ret = 0;

    while (x_n > 0) {
        ret += x_n % 10;
        x_n /= 10;
    }
    
    return ret;
}

int main(void) {
    int n;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> n;
    cout << (n % getS(n) == 0? "Yes" : "No") << "\n";
    return 0;
}