#include <algorithm>
#include <numeric>
#include <string>
#include <vector>
#include <iostream>
#include <queue>
#include <utility>
#include <cmath>
using namespace std;

using ull = unsigned long long;

int main()
{
    ull d;
    int p;
    cin >> d >> p;

    int zei = floor(d*(p*0.01));
    cout << d + zei << endl;
}