Object and Class/Day of Week

using System;
using System.Linq;
using System.Collections.Generic;
using System.Text;
using System.Text.RegularExpressions;
using System.Globalization;

namespace fundamental14
{
    class MainClass
    {
        public static void Main()
        {


            string dataAsText = Console.ReadLine();
            DateTime date = DateTime.ParseExact(dataAsText, "d-M-yyyy",
            CultureInfo.InvariantCulture);
            Console.WriteLine(date.DayOfWeek);
        }
    }
}