import java.lang.reflect.*;
import java.awt.*;

class Fsupercls	{
	   public static void main(String[] args) {
       Checkbox big = new Checkbox();
       printName(big);
	   }
	   static void printName(Object objct) {
	   Class cls = objct.getClass();
	   Class sup = cls.getSuperclass();   
	   System.out.println(sup);
	   }
}