


'''simple docstring'''



from functools import reduce

__UpperCAmelCase      :Optional[int]			    =       (
    "73167176531330624919225119674426574742355349194934"
    "96983520312774506326239578318016984801869478851843"
    "85861560789112949495459501737958331952853208805511"
    "12540698747158523863050715693290963295227443043557"
    "66896648950445244523161731856403098711121722383113"
    "62229893423380308135336276614282806444486645238749"
    "30358907296290491560440772390713810515859307960866"
    "70172427121883998797908792274921901699720888093776"
    "65727333001053367881220235421809751254540594752243"
    "52584907711670556013604839586446706324415722155397"
    "53697817977846174064955149290862569321978468622482"
    "83972241375657056057490261407972968652414535100474"
    "82166370484403199890008895243450658541227588666881"
    "16427171479924442928230863465674813919123162824586"
    "17866458359124566529476545682848912883142607690042"
    "24219022671055626321111109370544217506941658960408"
    "07198403850962455444362981230987879927244284909188"
    "84580156166097919133875499200524063689912560717606"
    "05886116467109405077541002256983155200055935729725"
    "71636269561882670428252483600823257530420752963450"
)




def      _a     (						_lowercase :     str = 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() = }""")



'''simple docstring'''



def      _a     (						_lowercase :     int = 600851475143  ):





     '''simple docstring'''






     try:
          __UpperCAmelCase     :			str  							=      int(_lowercase  )
     except (TypeError, ValueError):
          raise TypeError('''Parameter n must be int or castable to int.'''  )
     if n <= 0:
          raise ValueError('''Parameter n must be greater than or equal to one.'''  )
     __UpperCAmelCase     :			Dict  							=      1
     __UpperCAmelCase     :			List[str]  							=      2
     while i * i <= n:
          while n % i == 0:
               __UpperCAmelCase     :			int  							=      i
               n //= i
          i += 1
     if n > 1:
          __UpperCAmelCase     :			List[str]  							=      n
     return int(_lowercase  )


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