"""simple docstring"""






def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase = 9_9_8_0_0_1				)						->						List[str]:
   lowercase__:     Optional[Any]      =   0
   for i in range(9_9_9 ,					9_9 ,					-1				):  # 3 digit numbers range from 999 down to 100
      for j in range(9_9_9 ,					9_9 ,					-1				):
         lowercase__:     Optional[Any]      =   str(i * j				)
         if product_string == product_string[::-1] and i * j < n:
            lowercase__:     Optional[Any]      =   max(UpperCamelCase__ ,					i * j				)
   return answer


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

"""simple docstring"""






def SCREAMING_SNAKE_CASE__    (     __UpperCAmelCase				)						->						Optional[int]:
   lowercase__:     str      =   [7_0_1, 3_0_1, 1_3_2, 5_7, 2_3, 1_0, 4, 1]
   for gap in gaps:
      for i in range(__UpperCAmelCase ,					len(__UpperCAmelCase				)				):
         lowercase__:     Any      =   collection[i]
         lowercase__:     Tuple      =   i
         while j >= gap and collection[j - gap] > insert_value:
            lowercase__:     List[str]      =   collection[j - gap]
            j -= gap
         if j != i:
            lowercase__:     List[str]      =   insert_value
   return collection


if __name__ == "__main__":
       from doctest import testmod

       testmod()
       __A         =				input("Enter numbers separated by a comma:\n").strip()
       __A         =				[int(item) for item in user_input.split(",")]
       print(shell_sort(unsorted))
