01.3.05TrainingLab

import java.util.Scanner;

public class ex05TrainingLab {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double length = Double.parseDouble(scanner.nextLine()) * 100;    // метри в сантиметри
        double width = Double.parseDouble(scanner.nextLine()) * 100;    // метри в сантиметри

        if (300 <= width && width <= length && length <= 10000)    // ограниченията от метри в сантиметри
        {
            double desks_per_row_width = (width - 100) / 70;
            double desks_per_row_length = length / 120;
            double work_space = (Math.floor(desks_per_row_width) * Math.floor(desks_per_row_length)) - 3;

            System.out.println((int) work_space);
        }
    }
}