Задача 1.1

import java.util.Scanner;

public class YchebnaZala {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

        double len = Double.parseDouble(sc.nextLine());
        double wid = Double.parseDouble(sc.nextLine());

        len = len * 100;
        wid = wid * 100;

        int cols = (int) (wid - 100) / 70;
        int rows = (int) (len / 120);
        int seats = (rows * cols) - 3;

        System.out.println(seats);

    }
}