def days_in_month(month, year):
    if month in [1, 3, 5, 7, 8, 10, 12]:
        return 31
    elif month in [4, 6, 9, 11]:
        return 30
    else:
        return 28


def date_to_days(day, month, year):
    total_days = 0
    
    if year == 1994:
        total_days += 365
    
    for m in range(1, month):
        total_days += days_in_month(m, year)
    
    total_days += day
    
    return total_days


with open('INPUT.TXT', 'r') as f:
    petya_date = f.readline().strip()
    vasya_date = f.readline().strip()

petya_parts = petya_date.split('.')
petya_day = int(petya_parts[0])
petya_month = int(petya_parts[1])
petya_year = 1900 + int(petya_parts[2])

vasya_parts = vasya_date.split('.')
vasya_day = int(vasya_parts[0])
vasya_month = int(vasya_parts[1])
vasya_year = 1900 + int(vasya_parts[2])

petya_days = date_to_days(petya_day, petya_month, petya_year)
vasya_days = date_to_days(vasya_day, vasya_month, vasya_year)

difference = vasya_days - petya_days

with open('OUTPUT.TXT', 'w') as f:
    f.write(str(difference))