Training Lab

import java.util.Scanner;

public class Hall2 {
    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        double h = Double.parseDouble(scan.nextLine());
        double w = Double.parseDouble(scan.nextLine());

        int rows = (int) ((h * 100) / 120);
        int cols = (int) ((w * 100-100) / 70);

        int seats = rows * cols - 3;

        System.out.println(seats);
    }
}