乱写的，AC不了 骗你的

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int a, b, c, d = 0, j, e;
    while (cin >> a >> b)
    {
        j = 0;
        d = 0;
        e = 0;
        if (a == 0) return 0;
        if (a == 10)
        {
            c = b;
            while (c > 0)
            {
                d += c % 10;
                c /= 10;
            }
            if (b % d == 0) cout << "yes" << endl;
            else cout << "no" << endl;
        }
        if (a != 10)
        {
            c = b;
            while (c > 0)
            {
                d += (c % 10) * pow(a, j);
                j++;
                c /= 10;
            }
            c = b;
            while (c > 0)
            {
                e += c % 10;
                c /= 10;
            }
            if (d % e == 0) cout << "yes" << endl;
            else cout << "no" << endl;
        }
    }
    return 0;
}