Project #2 and Nim

Code

    /// Name: Ali Kurland
    /// Period: 6
    /// Program Name: Nim
    /// File Name: Nim2.java
    /// Date Finished: 11/2/2015
    
    import java.util.Scanner;
    
    public class Nim2
    {
        public static void main( String[] args )
        {
            Scanner keyboard = new Scanner(System.in);
            
            String name1, name2, player, pile;
            int remove, turn, first, end, choice, a = 3, b = 4, c = 5;
            choice = 0;
            end = 0;
            turn = 1;
            pile = " ";
            player = " ";
            
            System.out.print( "Player 1, enter your name: " );
            name1 = keyboard.next();
            
            System.out.print( "Player 2, enter your name: " );
            name2 = keyboard.next();
            
            while ( end == 0 )
            {
            
              if  ( turn % 2 != 0 )
              player = name1;
              
              else
              player = name2;

              System.out.println( "\nA: " + a + "\tB: " + b + "\tC: " + c + "\n" );
              System.out.print( player + ", choose a pile: ");
              pile = keyboard.next();
             
              if ( pile.equals("A") )
              choice = a;
              
              else if ( pile.equals("B") )
              choice = b;
              
              else if ( pile.equals("C") )
              choice = c;
             
              if ( choice == 0 )
              {
                System.out.println( " " );
                System.out.print( "Nice try, " + player + ". That pile is empty. Choose again: " );
                pile = keyboard.next();
              }
             
              else
              {
                System.out.print( "How many to remove from pile " + pile + ": " );
                remove = keyboard.nextInt();
                while ( remove <= 0 )
                {
                   System.out.println( " " );
                   System.out.print( "You must choose at least one. How many? " );
                   remove = keyboard.nextInt();
                }
                while ( remove > choice )
                {
                   System.out.println( " " );
                   System.out.print( "Pile " + pile + " doesn't have that many. Try again: " );
                   remove = keyboard.nextInt();
                }
                
                choice = choice - remove;
                
                if ( pile.equals("A") )
                a = choice;
                
                else if ( pile.equals("B") )
                b =choice;
                
                else if ( pile.equals("C") )
                c = choice;
    
                if ( ( a == 0 ) && ( b == 0 ) && ( c == 0 ) )
                {
                   turn ++;
                   end = 1;
                   first = 1;
                }
                
                else
                {
                   turn ++;
                   first = 1;
                }
              }
            }
                
            if ( turn % 2 != 0 )
            System.out.println( "\n" + name1 + ", there are no counters left, so you WIN!" );
            
            else
            System.out.println( "\n" + name2 + ", there are no counters left, so you WIN!" );
        }
    }
    

Picture of the output