#include <bits/stdc++.h>
int main()
{
    int a, b;std::cin >> a >> b;
    if(b == 0){
        std::cout << 0 << std::endl;
        return 0;
    }
    std::string ans;
    while(b){
        ans.push_back(b%a+'0');
        b/= a;
    }
    std::reverse(std::begin(ans), std::end(ans));
    std::cout << ans << std::endl;
    return 0;
}