using System;

public class Program

{

    public static void Main()

    {

        var a = new Users();

        a.UsersGroup = (Group.Users | Group.Managers);

        Console.WriteLine(a.UsersGroup);

    }

    [Flags]

    public enum Group

    {

        Users = 1,

        Supervisors = 2,

        Managers = 4,

        Administrators = 8

    }

    public class Users

    {

        public Group UsersGroup {get; set;}

    }

}