#include<iostream>
#include<queue>
#include<cstdio>
#include<utility>
#include<locale>
#include<algorithm>
#include<cmath>
using namespace std;
int main(){
	int k,s;cin>>k>>s;
	double are=(100-k)/100.0;
	are=1/are;
	cout<<(int)(are*s)<<endl;
}