Days of Week public enum

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _03.NumbersAsDayOfWeek
{
    class NumbersAsDayOfWeek
    {
        static void Main()
        {

            Console.Write("Enter a number to see day of week: ");
            int dayNum = int.Parse(Console.ReadLine());
            DayOfWeek day = (DayOfWeek)Enum.Parse(typeof(DayOfWeek), dayNum == 7 ? "0":dayNum.ToString());
            switch (day)
            {
                case DayOfWeek.Friday:
                    Console.WriteLine("Friday");
                    break;
                case DayOfWeek.Monday:
                    Console.WriteLine("Monday");
                    break;
                case DayOfWeek.Saturday:
                    Console.WriteLine("Saturday");
                    break;
                case DayOfWeek.Sunday:
                    Console.WriteLine("Sunday");
                    break;
                case DayOfWeek.Thursday:
                    Console.WriteLine("Thursday");
                    break;
                case DayOfWeek.Tuesday:
                    Console.WriteLine("Tuesday");
                    break;
                case DayOfWeek.Wednesday:
                    Console.WriteLine("Wednesday");
                    break;
                default:
                    Console.WriteLine("There is no such day.");
                    break;
            }
        }
    }
}