#include <stdio.h>
int main (void)
{
  int n;
  int m;
  scanf("%d", &n);
  scanf("%d", &m);
  short s[11];//文字列入力用
  int j = 0;
  while (0 < m)
  {
    int i = m % n;
    s[j] = i;
    j++;
    m /= n;
  }
  
  j--;
  for (; 0 <= j; j--)
  {
    printf("%d", s[j]);
  }
  printf("\n");
  
  return 0;
}