class CoffeeCupH {
    static final int volume = 200;
    static float ratio;
    int amount;
    char drinker = '?';
    static void setRatio(float f) {
        ratio = f;
    }
    CoffeeCupH() {
        fill();   
    }             
    CoffeeCupH(char c) {
        drinker = c;      
        fill();           
    }                     
    void fill() {
        amount = (int) (ratio * volume);
    }
    void drink() {
        drink(20);
    }
    void drink(int i) {
        amount -= i;
    }
    String status() {
        String s = "amount=" + amount;
        if (drinker != '?') s += " drinker=" + drinker;
        return s;
    }
}