#include <stdio.h>

int main () {
  long long a = 0LL;
  long long b = 0LL;
  
  int res = 0;
  
  res = scanf("%lld", &a);
  res = scanf("%lld", &b);
  
  if (a == 1LL) {
    printf("0\n");
    return 0;
  }
  
  printf("%lld\n", b/(1LL-a));
  
  return 0;
}