#include <iostream>
using namespace std;
 
class Player
{
private:
    int score;
public:
    Player(int number) : score(number) { }
    ~Player() { }
    int get_score() { return score; }
    Player& operator--(int x) { score--; }
};
 
class Computer : public Player {
public:
	Computer() : Player(5) { }
};
 
class Human : public Player {
public:
	Human() : Player(420) { }
};
 
int main() {
	Computer comp;
	Human player;
	player--;
	comp--;
}

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