class PiggyBank implements Comparable {

  private long pennies;
  
  
  public PiggyBank() {
    pennies = 0;
  }
  
  
  public int compareTo (Object o){
    PiggyBank w = (PiggyBank) o;
    
    return (int)(this.pennies - w.pennies);
    }
  
  
  public void addPennies(int numberOfPennies) {
    pennies += numberOfPennies;
  }
  
  
  public float getValue() {
    return pennies / 100.0f;
  }
  
  
  public boolean equals(Object o){
    PiggyBank p  = (PiggyBank) o;
    
    if(this.pennies != p.pennies)
      return false;
    
    return true;
  }
  
  public String toString(){
    return "Pennies: " + pennies;
  }
  
  
  
  


}