class SuperX
{   
    public static int Uvw()
    {   return 7; }
}

class SubY extends SuperX
{   
    public static int Uvw()
    {   return 11; }
}

class SubZ extends SubY
{   
    public static void main(String[] args)
    {    SuperX obj = new SubY();    // displays 7
	 System.out.println(obj.Uvw()); 
    }
}