Cake

package S5_WhileLoops;

import java.util.Scanner;

public class Cake {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int widthCake = Integer.parseInt(scanner.nextLine());
        int lengthCake = Integer.parseInt(scanner.nextLine());

        // calc all pieces of the cake
        int cakePieces = widthCake * lengthCake;

        // read first command
        String command = scanner.nextLine();
        while(!command.equals("STOP")) {
            // convert cake pieces into int
            int piecesToRemove = Integer.parseInt(command);
            // remove the cake pieces from the cake
            cakePieces = cakePieces - piecesToRemove;

            // check if we still have cake pieces
            if(cakePieces <= 0) {
                break;
            }
            command = scanner.nextLine();
        }

        // check if we have cake left
        if(cakePieces > 0) {
            System.out.printf("%d pieces are left.", cakePieces);
        } else {
            System.out.printf("No more cake left! You need %d pieces more.", Math.abs(cakePieces));
        }

    }
}