class TRandom {
public:
    TRandom(int parameterA, int parameterB)
        : A_(parameterA)
        , B_(parameterB)
        , Cur_(0)
    {}

    unsigned int Random() {
        return nextRand32();
    }

private:
    unsigned int nextRand24() {
        Cur_ = Cur_ * A_ + B_;
        return Cur_ >> 8;
    }
    unsigned int nextRand32() {
        unsigned int aa = nextRand24(), bb = nextRand24();
        return (aa << 8) ^ bb;
    }

private:
    int A_, B_;
    unsigned int Cur_;
};