class StaticMethodOverriding {
    
    public static void main(String args[]) {
        MyVBox.id();
        
        MyVBox v = null;
        v.id();
        
        MyXBox x = null;
        x.id();
        
        MyXBox x2 = new MyVBox();
        x.id();
    }
}

class MyXBox {
    public static void id() { System.out.println("XBox"); }
}

class MyVBox extends MyXBox {
    public static void id() { System.out.println("VBox"); }
}