#include<iostream>
#include<algorithm>
#include<stdio.h>
#include<stdlib.h>
#include<vector>
#include<string>
#include<sstream>
using namespace std;


int main(){

  double k,s;
  cin >> k;
  cin >> s;

  cout << (int)(s* 100/(100-k)) << endl;

  return 0;
}