






'''simple docstring'''



from math import asin, atan, cos, radians, sin, sqrt, tan

__UpperCamelCase   :							str         =   637_8137.0
__UpperCamelCase   :							List[Any]         =   635_6752.31_4245
__UpperCamelCase   :							List[Any]         =   6378137



def  __UpperCAmelCase						(					SCREAMING_SNAKE_CASE__:						float,       SCREAMING_SNAKE_CASE__:						float,       SCREAMING_SNAKE_CASE__:						float,       SCREAMING_SNAKE_CASE__:						float     )	->      float:

   """simple docstring"""
   __a					  =     (AXIS_A - AXIS_B) / AXIS_A
   __a					  =     atan((1 - flattening) * tan(radians(SCREAMING_SNAKE_CASE__     )     )     )
   __a					  =     atan((1 - flattening) * tan(radians(SCREAMING_SNAKE_CASE__     )     )     )
   __a					  =     radians(SCREAMING_SNAKE_CASE__     )
   __a					  =     radians(SCREAMING_SNAKE_CASE__     )
   # Equation
   __a					  =     sin((phi_a - phi_a) / 2     )
   __a					  =     sin((lambda_a - lambda_a) / 2     )
   # Square both values
   sin_sq_phi *= sin_sq_phi
   sin_sq_lambda *= sin_sq_lambda
   __a					  =     sqrt(sin_sq_phi + (cos(SCREAMING_SNAKE_CASE__     ) * cos(SCREAMING_SNAKE_CASE__     ) * sin_sq_lambda)     )
   return 2 * RADIUS * asin(SCREAMING_SNAKE_CASE__     )


if __name__ == "__main__":
 import doctest

 doctest.testmod()







'''simple docstring'''



import sys

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



def  __UpperCAmelCase						(					SCREAMING_SNAKE_CASE__:						str = N     )	->      int:

   """simple docstring"""
   __a					  =     -sys.maxsize - 1
   for i in range(len(SCREAMING_SNAKE_CASE__     ) - 12     ):
      __a					  =     1
      for j in range(13     ):
         product *= int(n[i + j]     )
      if product > largest_product:
         __a					  =     product
   return largest_product


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