05. Training Lab

import java.util.Scanner;

public class TrainingLab {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double w = Double.parseDouble(scanner.nextLine());
        double h = Double.parseDouble(scanner.nextLine());

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

        System.out.println(sum);
    }
}