using System;

​

enum Foo 

{

    Variant1 = 100,

    Variant2,

    Variant3

}

​

enum Bar

{

    Variant1,

    Variant2,

    Variant3

}

public class Program

{

    public static void Main()

    {

        Foo v1 = default;

        Foo v2 = Foo.Variant1;

        Bar v3 = default;

        Console.WriteLine($"{v1}");

        Console.WriteLine($"{v2}");

        Console.WriteLine($"{v3}");

    }

}