import javax.swing.JFrame;
import javax.swing.JButton;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
 
class Program extends JFrame implements ActionListener {
	JButton kilepesgomb; 
	Program() {
		kilepesgomb = new JButton("Kilépés");
 
		kilepesgomb.setBounds(100, 100, 100, 30);
		kilepesgomb.addActionListener(this);		
 
		add(kilepesgomb);
		setLayout(null);		
		setSize(400, 300);
		setVisible(true);
	}
	public void actionPerformed(ActionEvent e) {
		System.exit(0);
	}
	public static void main(String args[]) {
		new Program();				
	} 
}