def make_bricks(small, big, goal):

  if (goal//5) <= big: 

       if (goal%5) <= small: 

         return True 

       else: 

         return False

  if (goal//5) >= big:

       if (goal - (big*5)) <= small:

         return True

       else:

         return False

def lone_sum(a, b, c):

  sum = 0

  sum += a if a not in [b,c] else 0

  sum += b if b not in [a,c] else 0

  sum += c if c not in [a,b] else 0

  return sum

def lucky_sum(a, b, c):

  sum = 0

  list = [a,b,c,13]

  for n in list[:list.index(13)]:

    sum += n

  return sum

def fix_teen(n):

  if n in [13, 14, 17, 18, 19]:

    return 0

  return n

def no_teen_sum(a, b, c):

  return fix_teen(a) + fix_teen(b) + fix_teen(c)

def round_sum(a, b, c):

  def round10(num):

    return (num+5)/10*10

  return round10(a)+round10(b)+round10(c)

def close_far(a, b, c):

  return (abs(abs(b)-abs(c))>=2) and \

  ((abs(abs(b)-abs(a))<=1 and abs(abs(c)-abs(a))>=2) \

  or (abs(abs(c)-abs(a))<=1 and abs(abs(b)-abs(a))>=2))

def make_chocolate(small, big, goal):

  maxBig = goal / 5

  if big >= maxBig:

    if small >= (goal - maxBig * 5):

      return goal - maxBig * 5

  if big < maxBig:

    if small >= (goal - big * 5):

      return goal - big * 5

  return -1