#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=144499999999994;
ll mod=998244353;
int main(){
    ll k;
    cin >> k;
    ll s;
    cin >> s;
    s*=100;
    s/=100-k;
    cout << s << endl;
}