days of week lists

using System;
using System.Linq;
using System.Collections.Generic;
using System.Numerics;
using System.Text;

namespace exampreparation
{
    class exam
    {
        static void Main(string[] args)
        {
            List<int> number = Console.ReadLine().Split().Select(int.Parse).ToList();

            switch (number[0])
            {
                case 1:
                    Console.WriteLine("Monday");
                    break;
                case 2:
                    Console.WriteLine("Tuesday");
                    break;
                case 3:
                    Console.WriteLine("Wednesday");
                    break;
                case 4:
                    Console.WriteLine("Thursday");
                    break;
                case 5:
                    Console.WriteLine("Friday");
                    break;
                case 6:
                    Console.WriteLine("Saturday");
                    break;
                case 7:
                    Console.WriteLine("Sunday");
                    break;
                default:
                    Console.WriteLine("Invalid day!");
                    break;
            }

        }
    }
}