/*
    No.56 消費税
    https://yukicoder.me/problems/no/56
*/
#include <bits/stdc++.h>
using namespace std;

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

    double n, p;
    cin >> n >> p;
    cout << floor(n + (n * p / 100)) << endl;
}