def much_wrapping_paper(l, w, h):
  r = 2 * l * w + 2 * w * h + 2 * h * l
  return r + min(l * w, w * h, h * l)

def much_ribbon(l, w, h):
  a, b = sorted((l, w, h))[:2]
  return 2 * a + 2 * b + l * w * h

if __name__ == '__main__':
  from re import match

  with open('./input') as f:
    lines = f.read().strip().split('\n')

  res = []

  for l in lines:
    gdict = match('(?P<l>\d+)x(?P<w>\d+)x(?P<h>\d+)', l).groupdict()
    l, w, h = map(int, (gdict['l'], gdict['w'], gdict['h']))
    #res.append(much_wrapping_paper(l, w, h))
    res.append(much_ribbon(l, w, h))

  r = sum(res)
  print('*** Answer2={}'.format(r))