





def     lowerCamelCase_	(      lowerCAmelCase:	str				)->		int:
  _snake_case   :				Any														=	hex_num.strip()
  if not hex_num:
    raise ValueError('No value was passed to the function'				)

  _snake_case   :				str														=	hex_num[0] == '-'
  if is_negative:
    _snake_case   :				List[str]														=	hex_num[1:]

  try:
    _snake_case   :				Union[str, Any]														=	int(lowerCAmelCase    ,							16				)
  except ValueError:
    raise ValueError('Invalid value was passed to the function'				)

  _snake_case   :				Dict														=	''
  while int_num > 0:
    _snake_case   :				Optional[int]														=	str(int_num % 2				) + bin_str
    int_num >>= 1

  return int(('-' + bin_str) if is_negative else bin_str				)


if __name__ == "__main__":
      import doctest

      doctest.testmod()








from functools import reduce

lowerCAmelCase_						   =    (
    """73167176531330624919225119674426574742355349194934"""
    """96983520312774506326239578318016984801869478851843"""
    """85861560789112949495459501737958331952853208805511"""
    """12540698747158523863050715693290963295227443043557"""
    """66896648950445244523161731856403098711121722383113"""
    """62229893423380308135336276614282806444486645238749"""
    """30358907296290491560440772390713810515859307960866"""
    """70172427121883998797908792274921901699720888093776"""
    """65727333001053367881220235421809751254540594752243"""
    """52584907711670556013604839586446706324415722155397"""
    """53697817977846174064955149290862569321978468622482"""
    """83972241375657056057490261407972968652414535100474"""
    """82166370484403199890008895243450658541227588666881"""
    """16427171479924442928230863465674813919123162824586"""
    """17866458359124566529476545682848912883142607690042"""
    """24219022671055626321111109370544217506941658960408"""
    """07198403850962455444362981230987879927244284909188"""
    """84580156166097919133875499200524063689912560717606"""
    """05886116467109405077541002256983155200055935729725"""
    """71636269561882670428252483600823257530420752963450"""
)


def     lowerCamelCase_	(      lowerCAmelCase:	str = N				)->		int:
  return max(
      # mypy cannot properly interpret reduce
      int(reduce(lambda lowerCAmelCase    ,							lowerCAmelCase				: str(int(lowerCAmelCase				) * int(lowerCAmelCase				)				)    ,							n[i : i + 13]				)				)
      for i in range(len(lowerCAmelCase				) - 12				)				)


if __name__ == "__main__":
      print(F"""{solution() = }""")




