public class nim
{
    public static void main (String args[])
    {
	new nim ();
    }


    /* Fill in the methods using the comments 
       Don't touch the constructor or the turn method, your team has already finished them.
    */

    public nim ()
    {
	char again = 'y';
	rules ();
	while (again == 'y')
	{
	    int left = 15;
	    int player = 2;
	    String name1 = getName (1);
	    String name2 = getName (2);

	    while (left > 0)
	    {
		if (player == 1)
		    player = 2;
		else
		    player = 1;
		drawLeft (left);
		whoseturn (player, name1, name2);
		left = turn (left);
	    }
	    whosewon (player, name1, name2);
	    again = IO.inputChar ("Play again? (y/n) ");
	}
	System.out.println("\nThanks for playing the Game of Nim!");
    }


    public void rules ()
    {
	/*Write out:

	Gameof Nim
	Thereare 15 stones in the pile. Players take turns taking stones.
	Oneach turn, they can take one or two stones. The player who
	takes the last stone loses.

	*/
    }


    public String getName (int num)
    { //asks the player for their name - eg. Player #1: Enter your name:
	//use the num parameter to get the player number

	//returns the name
	return "name";
    }


    public void drawLeft (int left)
    { //make out a blank line to add white space

	//write "Stones Remaining: " and the number.

	//loop to draw one star for each stone left

    }


    public void whoseturn (int player, String name1, String name2)
    { //if player is 1, it prints that it is name1's turn

	//otherwise, it prints that it is name2's turn

    }


    public boolean isValid (int num, int left)
    { //returns false if num is greater than left

	//returns true if num is 1 or 2

	//returns false otherwise
	return true;
    }


    public int turn (int left)
    {
	int amt = IO.inputInt ("How enter stones do you want to remove? ");
	while (!isValid (amt, left))
	{
	    System.out.println ("That amount is invalid. Try a smaller number.");
	    amt = IO.inputInt ("How enter stones do you want to remove? ");
	}
	return (left - amt);
    }


    public void whosewon (int player, String name1, String name2)
    { //if player is 1, then print name1 has lost. name2 forced them to take the last stone.

	//otherwise print a similar message about name2 losing.
    }
}