class CL {
public:
    CL(){
        m_cars = std::vector<Car>();
    }
    CL(const std::vector<Car> &cars) {
        m_cars = cars;
    }
    CL(const Car &car) {
        m_cars = {car};
    }
    void find(int start, int end, const char *txt, std::list<Car> &result) {
        std::regex pattern(std::string(".*" + std::string(txt) + ".*"), std::regex_constants::icase);
        for (const auto &car: m_cars) {
            if (start < car.m_year && car.m_year < end) {
                if (std::regex_match(car.m_model, pattern) || std::regex_match(car.m_brand, pattern)) {
                    result.emplace_back(car);
                }
            }
        }
    }
    friend std::ostream &operator<<(std::ostream &stream, const CL  &cl);
    friend std::istream &operator>>(std::istream& is, CL& ocl);
public:
    std::vector<Car> m_cars;
};

std::ostream &operator<<(std::ostream &os, const CL &cl) {
    os << "CL {";
    for (const auto &car: cl.m_cars) {
        os << "(brand: " << car.m_brand << ", model: " << car.m_model << ", year: " << car.m_year << "), ";
    }
    os << "}";
    return os;
}

std::istream &operator>>(std::istream& is, CL &cl) {
    std::string brand;
    std::string model;
    std::string year;
    is >> brand;
    is >> model;
    is >> year;
    cl.m_cars.emplace_back(brand, model, std::stoi(year));
    return is;
}