#include <iostream>
using namespace std;
 
class oldCompany {
public:
    virtual void marketing () {
        cout << "How old company does marketing." << endl;
    }
};
 
class newCompany: public oldCompany {
public:
    virtual void marketing () {
        cout << "Redefing marketing :D" << endl;
    }
};
 
 
int main() {
	newCompany newish;
	oldCompany oldish;
	oldish.marketing ();
	newish.marketing();
	return 0;
}
 
/*
Output:
 
How old company does marketing.
Redefing marketing :D
*/