import java.awt.*;
import java.awt.event.*;
public class Joonis3 extends Frame{
  public Joonis3(){
    setTitle("Vajuta hiirega!");
    setSize(200, 200);
    setLocation(300, 100);
    addMouseListener(new HiireKuular());
    setVisible(true);
  }
  class HiireKuular extends MouseAdapter{
    public void mousePressed(MouseEvent e){
      Graphics g=Joonis3.this.getGraphics();
      g.drawRect(e.getX(), e.getY(), 20, 10);
    }
  }
  public static void main(String argumendid[]){
    new Joonis3();
  }
}