#include <bits/stdc++.h>
// #include <boost/multiprecision/cpp_int.hpp>

using namespace std;
// using namespace boost::multiprecision;

int main() {
  int n;
  cin >> n;
  int m;
  cin >> m;
  if (m == 0) {
    cout << 0 << endl;
    exit(0);
  }
  string ans;
  while (m) {
    ans = char('0' + m % n) + ans;
    m /= n;
  }
  cout << ans << endl;
  return 0;
}