




def lowerCamelCase__  (     _lowercase ):

     '''simple docstring'''


     if edge <= 0 or not isinstance(_lowercase					,		_lowercase ):
          raise ValueError('''Length must be a positive.''' )
     return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)







def lowerCamelCase__  (     _lowercase ):

     '''simple docstring'''


     if edge <= 0 or not isinstance(_lowercase					,		_lowercase ):
          raise ValueError('''Length must be a positive.''' )
     return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
     import doctest

     doctest.testmod()





from functools import reduce

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







def lowerCamelCase__  (     _lowercase = N ):

     '''simple docstring'''


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


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