#include <iostream>
#include <cstdlib>
using namespace std;

class base {
public:
	virtual void f(int i) const {cout << i << "\n";}        //Print in decimal.
};

class derived: public base {
public:
	void f(char c) const {cout << "'" << c << "'" << "\n";} //Print a character.
};

int main()
{
	derived d;
	d.f('A');    //Calls derived::f.
	d.f(66);     //I wish it called base::f, but it calls derived::f.

	return EXIT_SUCCESS;
}