using System;

​

namespace HelloWorld

{

    public class Program

    {

        static void Main(string[] args)

        {

            foreach (DaysOfWeek value in Enum.GetValues<DaysOfWeek>())

            {

                if ((int)value == 1)

                {

                    Console.WriteLine((value).ToString());

                }

            }

        }

​

        public enum DaysOfWeek

        {

            monday,

            tuesday,

            wednesday

        }

    }

}