WeekInDays

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

namespace DaysInWeekWithArrays
{
    class DaysInWeekwithArrays
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            Week(n);
        }

        public static int Week(int n)
        {
            string[] WeekDays = { "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday" };

            if (n >= 1 && n <= 7)
            {
                string d = WeekDays[n - 1];
                Console.WriteLine(d);
            }
            else
            {
                Console.WriteLine("Invalid Day");
            }
            return n;
        }
    }
}