The Up and the BMW fixed

#include <iostream>
using namespace std;

/* 
 * Create a Car class and if needed derived classes
 *
 * The system models cars with an engine, breaks and seats
 * Every care can return the number of cilinders of the engine, its type of breaks (drum/disc) and type of seats (leather/cotton)
 * 
 * At least two types shall be avaible: 
 * 1) an Up with 3 cilinders, drum breasks and cotton seats
 * 2) a BWM 530 with 6 cilinders, disk breaks and leather seats
 *
 */
 
class Engine 
{
public:
    Engine(int cilinders) : m_cilinders(cilinders) {}
    int cilinders() const { return m_cilinders; }
private:
    int m_cilinders;
 };
 
class Breaks 
{
public:
    Breaks(std::string&& type) : m_type(type) {}
    std::string type() const { return m_type; }
private:
    std::string m_type;
};
 
class Seats 
{
public:
    Seats(std::string&& type) : m_type(type) {}
    std::string type() const { return m_type; }
private:
    std::string m_type;
};
 
class Car 
{
public:
    Car( Engine&& engine, Breaks&& breaks, Seats&& seats ) :
        m_engine(engine),
        m_breaks(breaks),
        m_seats(seats) {}
    int cilinders() const { return m_engine.cilinders(); }
    std::string breaks() const { return m_breaks.type(); }
    std::string seats() const { return m_seats.type(); }
private:
    Engine m_engine;
    Breaks m_breaks;
    Seats  m_seats;
};
 

int main() {
  /* Create the Up instance and cout the cilinders, breaks, seats */
    Car Up(std::move(Engine(3)),std::move(Breaks(std::move(std::string("drum")))),std::move(Seats(std::move(std::string("cotton")))));
    std::cout<<"Up number of cilinders : "<<Up.cilinders()<<std::endl;
    std::cout<<"Up type of breaks : "<<Up.breaks()<<std::endl;
    std::cout<<"Up type of seats : "<<Up.seats()<<std::endl;
    
  /* Create the BMW instance and cout the cilinders, breaks, seats */
    Car BMW(std::move(Engine(6)),std::move(Breaks(std::string("disc"))),std::move(Seats(std::string("leather"))));
    std::cout<<"BMW number of cilinders : "<<BMW.cilinders()<<std::endl;
    std::cout<<"BMW type of breaks : "<<BMW.breaks()<<std::endl;
    std::cout<<"BMW type of seats : "<<BMW.seats()<<std::endl;
    return 0;
}