class PaperCupU extends CupU { /* ŠP PaperCupT */
    static final int volume = 150;
    int times;
    String drinker;
    PaperCupU() {
        this('!');
    }
    PaperCupU(char c) {
        super(c);
    }
    PaperCupU(String drinker) {
        this.drinker = drinker;
        super.drinker = drinker.charAt(0);
    }
    void fill() {
        amount = (int) (ratio * volume);
        times++;
    }
    String status() {
        String s = super.status() + " times=" + times;    
        s += drinker == null ? "" : " drinker=" + drinker;
        return s;                                         
    }
}