class PaperCupP extends CupO {            
    static final int volume = 150;        
    int times;                            
    String drinker;                       
    PaperCupP() {                         
        this('!');                        
    }                                     
    PaperCupP(char c) {                   
        super(c);                         
        fill();                           
    }                                     
    PaperCupP(String drinker) {           
        this.drinker = drinker;           
        super.drinker = drinker.charAt(0);
        fill();                           
    }                                     
    void fill() {                         
        amount = (int) (ratio * volume);  
        times++;                          
    }                                     
}