import java.util.Scanner;

public class Main {
    public static void main(String[] args){


        Scanner keyboard = new Scanner(System.in);
        int p1 = 3;
        int p2 = 3;
        int p3 = 3;

        String pile = " ";
        int remove;

        while(p1 > 0 || p2 > 0 || p3 > 0){
            System.out.println("A. " + p1 + "   B. " + p2 + "   C. " + p3);
            System.out.print("Choose a pile: ");
            pile = keyboard.next();

            System.out.print("How many to remove from pile " + pile + ": ");
            remove = keyboard.nextInt();

            if(pile.equals("A")){
                p1 = p1 - remove;
            }else if(pile.equals("B")){
                p2 = p2 - remove;
            }else if(pile.equals("C")){
                p3 = p3 - remove;
            }if(p1 == 0 && p2 == 0 && p3 == 0)
            {
                System.out.println("A. " + p1 + "   B. " + p2 + "   C. " + p3);
                System.out.print("All piles are empty. Good job!");
            }
        }
    }
}