//inh2.cpp
#include <stdio.h>
#include <iostream.h>
class Dog {
     long aa;
  public:
     virtual void talk( ) {  cout << "haha " ; }
      virtual void test( ) { };
};
int main( ) {
    Dog x;
    Dog * py;
     py = new Dog( ); 
    printf("size of x =%d\n", sizeof(x));
    printf("size of Dog =%d\n", sizeof(Dog));
    x.talk( );
    return 0;
}