#include <iostream>
using namespace std;

class Student
{
    public:
        virtual void print()
        {
            cout << "A student!" << endl;
        }
};

class Gstudent:public Student
{
    public:
        virtual void print()
        {
            cout << "G student!" << endl;
        }
};

int main()
{
    Student s1;
    Student *ps;
    Gstudent s2;
    s1.print();
    s2.print();
    s2.Student::print();
    ps = &s1;
    ps->print();
    ps = &s2;
    ps->print();
    ps->Student::print();
    return 0;
}

1