02.Spaceship

import java.util.Scanner;

public class Spaceship_02 {
    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 humanHeight = Double.parseDouble(scanner.nextLine());

        double racketVolume = width * length * height;
        double roomVolume = (humanHeight + 0.40) * 2 * 2;
        double people = Math.floor(racketVolume / roomVolume);

        if (people >= 3 && people <= 10){
            System.out.printf("The spacecraft holds %.0f astronauts.", people);
        } else if (people < 3){
            System.out.println("The spacecraft is too small.");
        } else {
            System.out.println("The spacecraft is too big.");
        }
    }
}