import java.awt.*;
import java.awt.event.*;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
	public class neljandale extends Frame implements ActionListener{

		neljas foor=new neljas();
		Button pnupp=new Button("punane");
		Button knupp=new Button("kollane");
		Button rnupp=new Button("roheline");
		Frame aken=new Frame();

			public neljandale(){		
			aken.setSize(300, 200);
			aken.setTitle("foor");
			Panel paneel=new Panel(new GridLayout(1, 2));
	   	Panel sees=new Panel(new GridLayout(3,1));
	   	pnupp.addActionListener(this);
			knupp.addActionListener(this);
			rnupp.addActionListener(this);
			sees.add(pnupp);
	   	sees.add(knupp);
	   	sees.add(rnupp);
			paneel.add(foor);
	   	paneel.add(sees);
	   	aken.add(paneel);
   		aken.addWindowListener(new aknakuular());    
   		aken.setVisible(true);
		   }
	   
	   
		
		public void actionPerformed(ActionEvent e){
 			if(e.getSource()==pnupp){			
				foor.varvid(Color.red,Color.white,Color.white);	
			}
			if(e.getSource()==knupp){
				foor.varvid(Color.white,Color.yellow,Color.white);	
		 	}
      	if(e.getSource()==rnupp){
				foor.varvid(Color.white,Color.white,Color.green);
			}
		}
    public static void main(String argumendid[]){
    new neljandale();
  	 }

	}

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