import sys
import unittest

class InvalidDateException(Exception):pass

def is_leap(year):
    if year % 400 == 0:
        return True
    elif year % 100 == 0:
        return False
    elif year % 4 == 0:
        return True
    else:
        return False

parse_date = lambda x: map(int, x.split('-'))

def day_of_year(date):
    day, month, year = parse_date(date)

    if month < 1 or month > 12:
        raise InvalidDateException("invalid month - %d" % month)

    days_in_month = [0, 31, 28, 31, 30, 31, 30, 31,
                31, 30, 31, 30, 31]
    if month > 2 and is_leap(year):
        days_in_month[2] = 29
    else:
        days_in_month[2] = 28

    if day > days_in_month[month]:
        raise InvalidDateException("month %d doesn't have %d days" % (month,
            day))

    for i in range(1,month):
        day += days_in_month[i]

    return day

def age(start_date_str, end_date_str):
    """ start_date < end_date """
    start_date, end_date  =  map(parse_date, (start_date_str, end_date_str))
    print start_date, end_date
    days = (365 if not is_leap(start_date[2]) else 366) - \
        day_of_year(start_date_str)
    print "Start - %d: %d" % (start_date[2], days)

    for year in range(start_date[2] + 1 , end_date[2]):
        if is_leap(year): days += 366
        else: days += 365
        print "Loop - %d: %d" % (year, days)

    if end_date[2] > start_date[2]:
        days += day_of_year(end_date_str)
    else:
        days = day_of_year(end_date_str) - days
    print "End - %d" % days
    return days


if __name__ == '__main__':
    args = len(sys.argv)
    if args > 2:
        print age(sys.argv[1], sys.argv[2])
    elif args > 1:
        print day_of_year(sys.argv[1])