# include<iostream.h>
# include<conio.h>
# include<stdio.h>
class A
{
 public:
  virtual void disp()=0;
};
class B : public A
{
 public:
  void disp()
  {
   cout<<"C\n";
  }
  virtual void show()
  {
   cout<<"C++\n";
  }
};
void main()
{
 clrscr();
 B bobj;
 B *ptr;

 ptr=&bobj;
 ptr->disp();
 ptr->show();
 getch();
}