import java.awt.*;
import java.util.*;
public  class Mywatch

{
    public static void main(String[] args)
    {
        Frame f = new Frame("My Watch");
        Label l = new Label();
        f.add(l);
        f.pack();
        f.setVisible(true);
        while(true)
        {
            Calendar c = Calendar.getInstance();
            l.setText(c.get(Calendar.HOUR_OF_DAY)+" : " +c.get(Calendar.MINUTE)+" : " +c.get(Calendar.SECOND));
            try{Thread.sleep(1000);}
            catch(Exception e){}
        }
        
    }
}