using System;

class NumberOfWorkdays
{
    static void Main()
    {

        DateTime[] holidays =
            {
                new DateTime(2014, 1, 1),
                new DateTime(2014, 3, 3),
                new DateTime(2014, 5, 1),
                new DateTime(2014, 5, 2),
                new DateTime(2014, 5, 6),
                new DateTime(2014, 5, 24),
                new DateTime(2014, 9, 22),
                new DateTime(2014, 12, 24),
                new DateTime(2014, 12, 25),
                new DateTime(2014, 12, 26),
                new DateTime(2014, 12, 31)
             };
        DateTime endDate = new DateTime(2014, 5, 27);

        Console.WriteLine(WorkingDays(DateTime.Today, endDate, holidays));
    }

    static int WorkingDays(DateTime startDate, DateTime endDate, DateTime[] holidays)
    {
        int count = 0;
        for (DateTime date = DateTime.Today; date <= endDate; date.AddDays(1))
        {
            if (date.DayOfWeek != DayOfWeek.Saturday && date.DayOfWeek != DayOfWeek.Sunday)
            {
                if (date.Date.CompareTo(holidays) == 0)
                {
                    count--;
                }
                else
                {
                    count++;
                }
            }
        }
        return count;
    }
}