import java.awt.*;
import java.awt.event.*;
public class Hiir4 extends Frame implements MouseListener, MouseMotionListener{
        int algX, algY;
        public Hiir4(){
        addMouseListener(this);
        addMouseMotionListener(this);
        }
        public void mousePressed (MouseEvent e){
        algX=e.getX();
        algY=e.getY();
        }
        public void mouseReleased (MouseEvent e){
        Graphics g=getGraphics();
        g.drawLine( algX, algY, e.getX(), e.getY() );
        }
        public void mouseMoved(MouseEvent e){}
        public void mouseDragged(MouseEvent e){}
        public void mouseClicked(MouseEvent e){}
        public void mouseEntered(MouseEvent e){}
        public void mouseExited(MouseEvent e){}

        public static void main (String argumendid[]){
         Frame f=new Hiir4();
         f.setSize(200, 300);
         f.setVisible(true);
       }
    }