class CupK {
    static float ratio;
    int amount;
    char drinker;
    static void setRatio(float f) {
        ratio = f;
    }
    CupK() {
    }
    CupK(char c) {
        drinker = c;
    }
    void drink() {
        drink(5);
    }
    void drink(int i) {
        amount -= i;
    }
}