05. Training Lab

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

int main() {
    double w, h;
    cin >> w >> h;

    double num = (h - 1) * 100 / 70;
    double row = (w * 100 / 120);
    double numberOfSeats = floor(num) * floor(row) - 3;

    cout << numberOfSeats << endl;

    return 0;
}