#include <iostream>

/*
    This here that we have is just another demo of the OOP in c++ ; we have the function that we have in the last example and then we usefully do something
    with this function ;
*/

using namespace std;

class Car {
    public:
        int speed(int max_speed);
};

int Car::speed(int max_speed) {
    return max_speed;
}

int main() {
    Car volvo;
    volvo.speed(600);
}