import java.util.Random;                                               // Import Random class name

public class MagicHat {
  static int maxRabbits = 5;                                           // Maximum rabbits in a hat
  static Random select = new Random();                                 // Random number generator

  // Constructor for a hat
  public MagicHat(String hatName) {
    this.hatName = hatName;                                            // Store the hat name
    rabbits = new Rabbit[1+select.nextInt(maxRabbits)];                // Random rabbits

    for(int i = 0; i < rabbits.length; ++i) {
      rabbits[i] = new Rabbit();                                       // Create the rabbits
    }
  }

  // String representation of a hat
  public String toString() {
    // Hat name first...
    String hatString = "\n" + hatName + " contains:\n";

    for(Rabbit rabbit : rabbits) {
      hatString += "   " + rabbit;                                     // Add the rabbits strings
    }
    return hatString;
  }

  private String hatName;                                              // Name of the hat
  private Rabbit rabbits[];                                            // Rabbits in the hat

  // Nested class to define a rabbit
  static class Rabbit {
    // A name is a rabbit name from rabbitNames followed by an integer
    static private String[] rabbitNames = {"Floppsy", "Moppsy", "Gnasher", "Thumper"};
    static private int[] rabbitNamesCount = new int[rabbitNames.length];
    private String name;                                               // Name of the rabbit

    // Constructor for a rabbit
    public Rabbit() {
      int index = select.nextInt(rabbitNames.length);                  // Get random name index
      name = rabbitNames[index] + (++rabbitNamesCount[index]);
    }

    // String representation of a rabbit
    public String toString() {
      return name;
    }
  }
}