import javax.swing.*;
import java.awt.event.*;

class Program extends JFrame
{
	Program()
	{

		Timer t = new Timer(2000, new ActionListener() 
		{
			public void actionPerformed(ActionEvent e) 
			{
				if(getTitle()=="Semmi")
					setTitle("Valami");
				else
					setTitle("Semmi");
			}
		});		
		
		t.start();
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setSize(400, 300);
		setVisible(true);
	}
	
	public static void main(String args[])
	{
		new Program();
	}
}