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

namespace CountWorkingDays
{
    class CountWorkingDays
    {
        static void Main(string[] args)
        {
            string firstDate = Console.ReadLine();
            string secondDate = Console.ReadLine();

            DateTime startDate = DateTime.ParseExact(firstDate, "dd-MM-yyyy", CultureInfo.InvariantCulture);
            DateTime endDate = DateTime.ParseExact(secondDate, "dd-MM-yyyy", CultureInfo.InvariantCulture);

            List<DateTime> holidays = new List<DateTime>();
            holidays.Add(new DateTime(2016, 01, 01));
            holidays.Add(new DateTime(2016, 03, 03));
            holidays.Add(new DateTime(2016, 05, 01));
            holidays.Add(new DateTime(2016, 05, 06));
            holidays.Add(new DateTime(2016, 05, 24));
            holidays.Add(new DateTime(2016, 09, 06));
            holidays.Add(new DateTime(2016, 09, 22));
            holidays.Add(new DateTime(2016, 11, 01));
            holidays.Add(new DateTime(2016, 12, 24));
            holidays.Add(new DateTime(2016, 12, 25));
            holidays.Add(new DateTime(2016, 12, 26));

            int workingDays = 0;
            for (DateTime currentDate = startDate; currentDate <= endDate; currentDate =
                currentDate.AddDays(1))
            {
                DateTime newDate = new DateTime(2016, currentDate.Month, currentDate.Day);
                if (!holidays.Contains(newDate) && currentDate.DayOfWeek != DayOfWeek.Saturday && currentDate.DayOfWeek !=
                    DayOfWeek.Sunday);
                {
                    workingDays++;
                }


            }
            Console.WriteLine(workingDays);
        }
    }
}