13. Holidays Between Two Dates

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

namespace _13.Debug_the_Code_Holidays_Between_Two_Dates
{
    class Program
    {
        static void Main(string[] args)
        {
            {
                var startDate = DateTime.ParseExact(Console.ReadLine(),
                    "d.M.yyyy", CultureInfo.InvariantCulture);

                var endDate = DateTime.ParseExact(Console.ReadLine(),
                    "d.M.yyyy", CultureInfo.InvariantCulture);

                var holidaysCount = 0;

                for (var date = startDate; date <= endDate; date=date.AddDays(1))
                {

                    if (date.DayOfWeek == DayOfWeek.Saturday || date.DayOfWeek == DayOfWeek.Sunday)
                    {
                        holidaysCount++;
                    }
                }

                Console.WriteLine(holidaysCount);
            }
        }
    }
}