import java.util.*;
public class PiggyBankClient
{
   private static Random generator = new Random();
   
   public static void main(String[] args)
   {
      //Create an empty PiggyBank
      PiggyBank stash = new PiggyBank();
      
      //Drop several US coins of various types into the PiggyBank
      int numberOfCoins = generator.nextInt(41) + 80; //80 .. 120
      for (int k = 1; k <= numberOfCoins; k++)
         stash.drop( randomUSCoin() );
      
      //Display and empty the PiggyBank
      System.out.println(stash + "\nTotal  $" + stash.empty());
   }
   
   //Returns a randomly selected US Coin
   //In a large number of calls, the % returns of each different coin type approximates
   // 30% PENNIES, 25% NICKLES, 20% DIMES, 20% QUARTERS, 4% HALF-DOLLARS, 1% DOLLARS
   private static US_Coin randomUSCoin()
   {
      int key = generator.nextInt(100);
      
      if (key < 30)
         return US_Coin.PENNY;
      else if (key < 55)
         return US_Coin.NICKLE;
      else if (key < 75)
         return US_Coin.DIME;
      else if (key < 95)
         return US_Coin.QUARTER;
      else if (key < 99)
         return US_Coin.HALF_DOLLAR;
      else
         return US_Coin.DOLLAR;
   }
}