using System;

public class Die {
  private int numberOfEyes;
  private Random randomNumberSupplier; 
  private readonly int maxNumberOfEyes;

  public Die (Die d){
    numberOfEyes = d.numberOfEyes;
    randomNumberSupplier = d.randomNumberSupplier;
    maxNumberOfEyes = d.maxNumberOfEyes;
  }   

  public Die (): this(6){}

  public Die (int maxNumberOfEyes){
    randomNumberSupplier = new Random(unchecked((int)DateTime.Now.Ticks));
    this.maxNumberOfEyes = maxNumberOfEyes;
    numberOfEyes = randomNumberSupplier.Next(1,maxNumberOfEyes + 1);
  }   
    
  public void Toss (){
    numberOfEyes = randomNumberSupplier.Next(1,maxNumberOfEyes + 1);
  }

  public int NumberOfEyes() {
    return numberOfEyes;
  }

  public override String ToString(){
    return String.Format("Die[{0}]: {1}", maxNumberOfEyes, numberOfEyes);
  }
}