import java.awt.Frame;
import java.awt.event.WindowListener;
import java.awt.event.WindowEvent;
class Program extends Frame implements WindowListener
{
	Program()
	{
		addWindowListener(this);
		setSize(400, 300);
		setVisible(true);
	}
	
	public void windowDeactivated(WindowEvent e)
	{
		
	}
	public void windowActivated(WindowEvent e)
	{
		
	}
	public void windowDeiconified(WindowEvent e)
	{
		
	}
	public void windowIconified(WindowEvent e)
	{
		
	}
	public void windowClosed(WindowEvent e)
	{
		
	}
	public void windowClosing(WindowEvent e)
	{
		System.exit(0);
	}
	public void windowOpened(WindowEvent e)
	{
		
	}
	public static void main(String args[])
	{
		new Program();
	}
}