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

#define ll long long

ll N, M;
int main()
{
  cin >> N >> M;
  string ans = "";
  ll k = N;
  while (M > 0)
  {
    ll rem = M % N;
    ans += char('0'+(rem));
    M /= N;
  }
  reverse(ans.begin(), ans.end());
  cout << ans << endl;
}