using System;

public class Program

{

    public static void Main()

    {   

        Console.WriteLine("\r\nEnum.Parse\r\n====");

        Console.WriteLine((PetType)Enum.Parse(typeof(PetType), "1"));

        Console.WriteLine((PetType)Enum.Parse(typeof(PetType), "2"));

        Console.WriteLine((PetType)Enum.Parse(typeof(PetType), "3"));

        Console.WriteLine("\r\nJust casting\r\n====");

        Console.WriteLine((PetType)1);

        Console.WriteLine((PetType)2);

        Console.WriteLine((PetType)3);

        Console.WriteLine("\r\nEnum.TryParse\r\n====");

        PetType outValue;

        if (Enum.TryParse<PetType>("1", out outValue)) {

            Console.WriteLine(outValue);    

        }

        if (Enum.TryParse<PetType>("2", out outValue)) {

            Console.WriteLine(outValue);    

        }

        if (Enum.TryParse<PetType>("3", out outValue)) {

            Console.WriteLine(outValue);    

        }

    }

    public enum PetType {

        Dog = 1,

        Cat

    }

}