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import java.awt.*;
import java.awt.event.*;

class java0729 extends Frame{
   public static void main(String [] args) {
       java0729 ff=new java0729();
       ff.setSize(300,300);
       ff.show();
ff.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent we){System.exit(0);}
});

}
}