ProgBasicsExam16December2018-E02spaceship

import java.util.Scanner;

public class E02spaceship {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double width = Double.parseDouble(scanner.nextLine());
        double length = Double.parseDouble(scanner.nextLine());
        double height = Double.parseDouble(scanner.nextLine());
        double averageHeight = Double.parseDouble(scanner.nextLine());

        double roomWidth = 2;
        double roomLength = 2;
        double roomHeight = averageHeight + 0.40;
        double roomSize = roomWidth * roomLength * roomHeight;

        double spacecraft = width * length * height;
        double astronauts = spacecraft / roomSize;

        if (astronauts >= 3 && astronauts <= 10 ){
            System.out.printf("The spacecraft holds %.0f astronauts.", Math.floor(astronauts));
        }

        else if ( astronauts < 3 ){
            System.out.println("The spacecraft is too small.");
        }
        else if (astronauts > 10) {
            System.out.println("The spacecraft is too big.");
        }

    }
}