//310.cpp
#include <iostream.h>
class Building
{
   private:	float price ,hall;
   public:
	Building(float p,float h)
   { price =p;hall=h ;}
	float GetPrice(){ return price;}
	float GetHall(){ return hall;}
};
class FamilyHouse:public Building
{
   private:	float w;
      void GetHall(){ }
   public:
  		FamilyHouse(float a,float b,float c):Building(a,b){w=c;}
		float Getw(){ return w;}
};
main()
{
   FamilyHouse t(800,900,100);
   cout << "price=" << t.GetPrice()
     	<< "  Area=" << t.Getw()<<endl;
   return 0;
}