class MazeSquare
{
    public int x, y;

    public MazeSquare ()
    {
	x = y = -1;
    }

    public MazeSquare (int newX, int newY)
    {
	x = newX;
	y = newY;
    }

    public void print ()
    {
	System.out.print (""+x+","+y);
    }
}