import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;

public class Uss1 extends Applet implements ActionListener{
  int nr=20;
  int arv=1;
  TextField tf1=new TextField("1");
   public Uss1(){
    add(tf1);
	tf1.addActionListener(this); 
  }

  public void actionPerformed(ActionEvent e){
  arv=Integer.parseInt(tf1.getText());
  repaint();
  }
  public void paint(Graphics g){
  		int a=0;
  		int x=10, y=200;
		int m=200;
		int b=-70;
		int v=10;
		int c=0;
		int l=0;
		while (c<16){
			try{Thread.sleep(100/arv);}catch(Exception e){}
			g.setColor(Color.black);
    		g.fillOval(v, y, nr, nr);
			g.setColor(Color.green);
            g.fillOval(b, m, nr, nr);
			b=b+nr;
			v=v+nr;
			c=c+1;
			l=l+1;
			if (l==4){
		  y=y-10;
		  }
		  if (l==8){
		  m=m-10;
		  l=l-8;
		  }
		  }
		  }
	public static void main(String argumendid[]){
    Frame f=new Frame("Ussisuss");
    f.setSize(500, 400);
	f.setBackground(Color.green);
    f.add(new Uss1());
    f.setVisible(true);
  }    

}