DayOfWeek

namespace DayOfWeek
{
    using System;

    class DayOfWeek
    {
        static void Main()
        {
            int day = int.Parse(Console.ReadLine());
            switch (day)
            {
                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("Error!"); break;
            }
        }
    }
}