#include <iostream>

using namespace std;

class GameCharacter {
    public:
        int maxHealth, currentHealth, attack, defense;
        GameCharacter(int, int, int);
        void takeDamage(int);
};

GameCharacter::GameCharacter(int h, int a, int d) {
    maxHealth = h;
    currentHealth = h;
    attack = a;
    defense = d;
}

void GameCharacter::takeDamage(int damage) {
    damage = attack - defense;

    if (defense < 0) {
        damage = 0;
    }

    currentHealth -= damage;
}

int main() {
    GameCharacter character = GameCharacter(100, 20, 10);

    cout << "Health before taking damage: " << character.currentHealth << "\n";
    character.takeDamage(5);
    cout << "Health after taking damage: " << character.currentHealth << "\n";
}