class CupT {
    static float ratio;
    int amount;
    char drinker = '?';
    static void setRatio(float f) { /* 同 CupO */
        ratio = f;
    }
    CupT() {
        fill();
    }
    CupT(char c) {
        drinker = c;
        fill();
    }
    void fill() { }
    void drink() {                  /* 同 CupO */
        drink(5);
    }
    void drink(int i) {             /* 同 CupO */
        amount -= i;
    }
    String status() {               /* 同 CupO */
        String s = "amount=" + amount;
        if (drinker != '?') s += " drinker=" + drinker;
        return s;
    }
}