import java.util.Scanner;
public class Main {

    public static void main(String[] args) {

        Scanner keyboard = new Scanner(System.in);

        String player1;

        String player2;

        int pileA = 3;

        int pileB = 3;

        int pileC = 3;

        String choice;

        int remove;


        System.out.println("\n Welcome!");

        System.out.println("\n Player 1, enter your name: ");
        player1 = keyboard.next();

        System.out.println("\n Player 2, enter your name: ");
        player2 = keyboard.next();


        System.out.println("\n A:"+pileA+" B:"+pileB+" C:"+pileC);

        String player = player1;


        do{

                System.out.println("\n" + player + ", choose a pile:");
                choice = keyboard.next();

            while ((choice.equals("A") && pileA <= 0) || (choice.equals("B") && pileB <= 0) || (choice.equals("C") && pileC <= 0)){
                System.out.println("\n Nice try "+player+". That pile is empty. Choose again:");
                choice = keyboard.next();
            }


            System.out.println("\n How many to take out from pile "+choice);
            remove = keyboard.nextInt();

            while((choice.equals("A") && remove > pileA) || (choice.equals("B") && remove > pileB) || (choice.equals("C") && remove > pileC)){
                System.out.println("\n Good try "+player+". Your amount is not valid. Try again:");
                remove = keyboard.nextInt();
            }

            while (remove < 0){
                System.out.println("\n Good try "+player+". Your amount is not valid. Try again:");
                remove = keyboard.nextInt();
            }

            if(choice.equals("A")){
                System.out.println("\n A:"+(pileA - remove)+" B:"+pileB+" C:"+pileC);

                pileA = pileA - remove;
            }

            else if(choice.equals("B")){
                System.out.println("\n A:"+pileA+" B:"+(pileB - remove)+" C:"+pileC);
                pileB = pileB - remove;
            }

            else if(choice.equals("C")){
                System.out.println("\n A:"+pileA+" B:"+pileB+" C:"+(pileC - remove));
                pileC = pileC - remove;
            }

            else{
                System.out.println("\n ERROR! Choose a correct pile (case sensitive)");
            }

            if(player == player1){
                player = player2;
            }
            else {
                player = player1;
            }


        }while (pileA > 0 || pileB > 0 || pileC > 0);

        System.out.println("\n "+player + ", there are no counters left, so you WIN!");

    }
}