#include <iostream>
using namespace std ;

class A
{
	public:
	 int x1 ;
};

class B : public A
{
	public:
	 int x1B ;
};

class C : public A
{
	public:
	 int x1C ;

};


int main()
{

     B bObject ;
     bObject.x1B = 22 ;
     A* aObject = &bObject  ;
     //Not safe. as aObject contains bObject as the
     //underlying object
     C* cObject = (C*)aObject ;
     cout << cObject->x1C   << endl ;


}