#include <iostream>
using namespace std;
class base
{
public:
virtual void display(void)
{
    cout << "basen";
}
};

class derived : public base
{
public:
void display(void)
{
    cout << "derivedn";
}
};
int main(void)
{
    base *p;
    base ob1;
    derived ob2;
    p=&ob2;
    p->display();//my point starts from here
    p->base::display();

}