import java.awt.*;
import java.awt.event.*;
class Aken{
  static void main(String argumendid[]){
    final Window w=new Window(new Frame());
    final Button b=new Button("OK");
    w.add("South", b);
    w.setSize(300, 200);
    w.setLocation(300, 200);
    w.setBackground(Color.yellow);
    w.setVisible(true);
    b.addMouseListener(
      new MouseAdapter(){
        public void mousePressed(MouseEvent e){
          System.exit(0);
        }
      }
    );
  }
}