class PaperCupO extends CupO {          
    static final int volume = 150;      
    int times;                          
    PaperCupO() {                       
        this('!');                      
    }                                   
    PaperCupO(char c) {                 
        super(c);                       
        fill();                         
    }                                   
    void fill() {                       
        amount = (int) (ratio * volume);
        times++;                        
    }                                   
    String status1() {                  
        return " times=" + times;       
    }                                   
}