import java.awt.*;
import java.applet.Applet;
import java.awt.event.*;
import java.awt.image.*;
public class Toru extends Applet implements AdjustmentListener{ 
Scrollbar sb=new Scrollbar(Scrollbar.VERTICAL, 2, 10, 2, 400);
public Toru(){ 
setLayout(new BorderLayout()); 
add(sb, BorderLayout.WEST); 
sb.addAdjustmentListener(this); 
} 

 public void paint(Graphics g){
  
  int x=100;
  int y=100;
  int laius=sb.getValue();
  int korgus=sb.getValue();
  while(laius>2){
  laius=laius-1; 
        korgus=korgus-1; 
        x=x+laius/2; 
        y=y+laius/2; 

    g.drawOval(x,y,laius,korgus);
       }
 }
 public void adjustmentValueChanged(AdjustmentEvent e){ 
   repaint(); 
 }

 public static void main(String argumendid[]){
   Frame f=new Frame("5 ringi");
   f.add(new Toru());
   f.setSize(500, 500);
   f.setVisible(true);
 }
}