#include <stdio.h>

int main () {
  int n = 0;
  int m = 0;
  
  int res = 0;
  
  int lenans = 0;
  char ans[40] = "";
  
  int c = 0;
  
  res = scanf("%d", &n);
  res = scanf("%d", &m);
  
  if (m < n) {
    printf("%d\n", m);
    return 0;
  }
  
  while (m > 0) {
    ans[lenans] = ((char)(m%n))+'0';
    lenans++;
    m /= n;
  }
  
  ans[lenans] = '\0';
  for (int i = 0; i < lenans/2; i++) {
    char tmp = ans[i];
    ans[i] = ans[lenans-i-1];
    ans[lenans-i-1] = tmp;
  }
  
  printf("%s\n", ans);
  
  return 0;
}