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

public class pallike extends Applet implements ActionListener{  
 TextField tf1=new TextField("Vajuta enterit ja pall kukub",30);

 
 public pallike(){
     add(tf1);
     tf1.addActionListener(this);  
   }

public void actionPerformed(ActionEvent e){
Graphics g=getGraphics(); 
   	    int y=1;
	       int x=22;
	       double samm=1; 
	       
 
    
     
   for(;y<340; y=(int)(y+samm), samm=samm+0.5){
        g.setColor(Color.red);
        g.fillOval(x, y, 50, 50);
        try{Thread.sleep(20);}catch(Exception ex){} 
        g.setColor(Color.white);
        g.fillOval(x, y, 50, 50);    
     }
      for(;y>150; y=(int)(y-samm)){    
        g.setColor(Color.red);
        g.fillOval(x, y, 50, 50);
        try{Thread.sleep(70);}catch(Exception ex){}
        g.setColor(Color.white);
        g.fillOval(x, y, 50, 50);
     
     }
     for(;y<335; y=(int)(y+samm)){
        g.setColor(Color.red);
        g.fillOval(x, y, 50, 50);
        try{Thread.sleep(40);}catch(Exception ex){}
        g.setColor(Color.white);
        g.fillOval(x, y, 50, 50);     
     }
         g.setColor(Color.red);
		   g.fillOval(x, y, 50, 50);  			    
   }
	
  
   
public static void main(String argumendid[]){
     Frame f=new Frame("Kukkuvad pallid!");
     f.add(new pallike());
     f.setSize(500, 500);
     f.setVisible(true);
     f.addWindowListener(new Raamikuular());

    }

}
class Raamikuular extends WindowAdapter{         
	 	 public void windowClosing(WindowEvent e){
		  	 System.exit(0);
	    }
    }