def totalDayFromCalendar(year, month, day):
    dayOfMonth = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30]
    i=1
    totaldays = 365 * (int(year) - 1)
    while i<year:
        if i % 4 == 0 and i % 100 != 0 or i % 400 == 0:
            totaldays+=1
        i += 1
    premonth = month - 1
    for b in range(len(dayOfMonth)):
        if premonth >= (b+1):
            totaldays += dayOfMonth[b]
    if month > 2 and year % 4 == 0 and year % 100 != 0 or year % 400 == 0:
            totaldays +=1
    totaldays +=1
    totaldays = totaldays + day
    return totaldays

def endDayFromTotalDay(year, month):
    if month == 2:
        lastday = 28
        if year % 4 == 0 and year % 100 != 0 or year % 400 == 0:
            lastday = 29
        else:
            lastday = 28
    else:
        if month == 4 or month == 6 or month == 9 or month == 11:
            lastday = 30
        else:
            lastday = 31
    return lastday

a= input("시작일:")
ay=int(a[:4])
am=int(a[4:6])
ad=int(a[6:])

b= input("끝일:")
by= int(b[:4])
bm= int(b[4:6])
bd= int(b[6:])

A= (totalDayFromCalendar (ay,am,ad) )
B= (totalDayFromCalendar(by,bm,bd) )
for c in range(B+1-A):
    if ad > (endDayFromTotalDay(ay, am)):
        ad=1
        am= am + 1
    if am > 12:
        am = 1
        ay = ay+1
    print(str(ay)+str(am).rjust(2, '0')+str(ad).rjust(2, '0'))
    ad = ad + 1