


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 __UpperCAmelCase       (		__A = N			)						->					int:



							'''simple docstring'''





							return max(
							    # mypy cannot properly interpret reduce
							    int(reduce(lambda __A ,						__A			: str(int(__A			) * int(__A			)			) ,						n[i : i + 1_3]			)			)
							    for i in range(len(__A			) - 1_2			)			)


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









from __future__ import annotations





def __UpperCAmelCase       (		__A ,						__A ,						__A ,						)						->					tuple:



       '''simple docstring'''





       if (electron_conc, hole_conc, intrinsic_conc).count(0			) != 1:
              raise ValueError("You cannot supply more or less than 2 values"			)
       elif electron_conc < 0:
              raise ValueError("Electron concentration cannot be negative in a semiconductor"			)
       elif hole_conc < 0:
              raise ValueError("Hole concentration cannot be negative in a semiconductor"			)
       elif intrinsic_conc < 0:
              raise ValueError(
                  "Intrinsic concentration cannot be negative in a semiconductor"			)
       elif electron_conc == 0:
              return (
                  "electron_conc",
                  intrinsic_conc**2 / hole_conc,
              )
       elif hole_conc == 0:
              return (
                  "hole_conc",
                  intrinsic_conc**2 / electron_conc,
              )
       elif intrinsic_conc == 0:
              return (
                  "intrinsic_conc",
                  (electron_conc * hole_conc) ** 0.5,
              )
       else:
              return (-1, -1)


if __name__ == "__main__":
    import doctest

    doctest.testmod()





