#include <bits/stdc++.h>
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define REP(i,k,n) for(ll i=k;i<(ll)(n);i++)
#define fore(i,a) for(auto &i:a)
using namespace std;
using ll = long long; 


int main() {
	ll d,p;
    cin >> d >> p;
    cout << (d * (100 + p))/100 << endl;
}