import java.awt.*;
import java.awt.event.*;

class MouseableCanvas extends Canvas implements MouseListener
{
	public void mouseClicked(MouseEvent e){;}
	public void mouseEntered(MouseEvent e){;}
	public void mouseExited(MouseEvent e){;}
	public void mousePressed(MouseEvent e){;}
	public void mouseReleased(MouseEvent e){;}

	public MouseableCanvas()
	{
		this.addMouseListener(this);
	}
}