#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()
{
     int x1 = 10;
     float f1 = 10.5 ;
     x1 = static_cast<int>(f1);
     cout << "x1:" << x1 << endl ;


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


}