Own Bussiness

import java.util.Scanner;

public class P04AOwnBussiness {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int shirina = Integer.parseInt(scanner.nextLine());
        int daljina = Integer.parseInt(scanner.nextLine());
        int visochina = Integer.parseInt(scanner.nextLine());

        int obemStaq = shirina * daljina * visochina;
        String command = scanner.nextLine();

        while (!command.equalsIgnoreCase("done")) {
            int computerNumber = Integer.parseInt(command);
            obemStaq -= computerNumber;

            if (obemStaq < 0) {
                System.out.printf("No more free space! You need %d Cubic meters more.",
                        Math.abs(obemStaq)); break;
            }
            command = scanner.nextLine();

            if (command.equalsIgnoreCase("done")) {
                System.out.printf("%d Cubic meters left.", obemStaq);
            }
        }
    }
}