def is_leap_year(y):
  if y % 4 == 0:
    if y % 100 == 0:
      if y % 400 == 0:
        return True
      return False
    return True
  return False

def days_in_month(y, m):
  daysOfMonths = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
  days = daysOfMonths[m-1]
  if m == 2 and is_leap_year(y):
    days += 1
  return days

def next_date(y,m,d):
  d += 1
  max_d = days_in_month(y,m)
  if d > max_d:
    m += 1
    d = 1
  if m > 12:
    m = 1
    y += 1
  return (y,m,d)

def days_between(y1,m1,d1,y2,m2,d2):
  if (y1,m1,d1) > (y2,m2,d2):
    return -days_between(y2,m2,d2,y1,m1,d1)
  count = 0
  while (y1,m1,d1) != (y2,m2,d2):
    count += 1
    (y1,m1,d1) = next_date(y1,m1,d1)
  return count

def test():
  test_cases = [
     ((2012,1,1,2012,2,28), 58),
     ((2012,1,1,2012,3,1), 60),
     ((2011,6,30,2012,6,30), 366),
     ((2011,1,1,2012,8,8), 585 ),
     ((1900,1,1,1999,12,31), 36523)
  ]
  for ((y1,m1,d1,y2,m2,d2), expected) in test_cases:
    actual = days_between(y1,m1,d1,y2,m2,d2)
    if actual != expected:
      print("FAILED FOR",y1,m1,d1,y2,m2,d2,actual,expected)
    else:
      print("SUCCESS!")


test()