#include <iostream>
#include <string>
#include <cmath>
using namespace std;

#define p(x) cout << x << endl;
#define el cout << endl;

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    long long d, p;
    cin >> d >> p;

    d = d * (100 + p);
    d /= 100;
    
    p(d);
}