template<unsigned Extent>
struct Feeling {
    virtual void ExpressFeelingToVioletta() const = 0;
};

struct Love : public Feeling<100>  {
    void ExpressFeelingToVioletta() const override final {
        std::cout << "Violetta, I love you" << std::endl;
    }
};

struct Care : public Feeling<100> {
    void ExpressFeelingToVioletta() const override final {
        std::cout << "Violetta, I wanna care of you" << std::endl;
    }
};

struct Support : public Feeling<100> {
    void ExpressFeelingToVioletta() const override final {
        std::cout << "Violetta, I wanna always support you" << std::endl;
    }
};

struct Admiration : public Feeling<100> {
    void ExpressFeelingToVioletta() const override final {
        std::cout << "Violetta, i think you are the best girl for me" << std::endl;
    }
};


struct Danil {
    template<typename... Feelings>
    static void LoveVioletta(Feelings&&... feelings) {
        (feelings.ExpressFeelingToVioletta(), ...);
    }
};

struct Violetta {
    static void NotLoveDanil() {
        std::cout << "Danil, sorry, i don't like you" << std::endl;
    }
};


int main () {

    Danil::LoveVioletta(Love{}, Care{}, Support{}, Admiration{});
    Violetta::NotLoveDanil();

    return 0;
}