





"""simple docstring"""





__A											=		[0, 2, 4, 6, 8]
__A											=		[1, 3, 5, 7, 9]
def  __A   (_SCREAMING_SNAKE_CASE     ,   _SCREAMING_SNAKE_CASE     ,   _SCREAMING_SNAKE_CASE     ,   _SCREAMING_SNAKE_CASE			)					->int:





  """simple docstring"""


  if remaining_length == 0:
    if digits[0] == 0 or digits[-1] == 0:
      return 0

    for i in range(length // 2 - 1     ,   -1     ,   -1			):
      remainder += digits[i] + digits[length - i - 1]

      if remainder % 2 == 0:
        return 0

      remainder //= 10

    return 1

  if remaining_length == 1:
    if remainder % 2 == 0:
      return 0

    lowerCAmelCase__			:Dict											=							0
    for digit in range(10			):
      lowerCAmelCase__			:List[Any]											=							digit
      result += reversible_numbers(
          0     ,   (remainder + 2 * digit) // 10     ,   _A     ,   _A			)
    return result

  lowerCAmelCase__			:Any											=							0
  for digita in range(10			):
    lowerCAmelCase__			:Optional[int]											=							digita

    if (remainder + digita) % 2 == 0:
      lowerCAmelCase__			:List[str]											=							ODD_DIGITS
    else:
      lowerCAmelCase__			:Tuple											=							EVEN_DIGITS

    for digita in other_parity_digits:
      lowerCAmelCase__			:Dict											=							digita
      result += reversible_numbers(
          remaining_length - 2     ,   (remainder + digita + digita) // 10     ,   _A     ,   _A     ,   )
  return result
def  __A   (_SCREAMING_SNAKE_CASE = 9			)					->Tuple:





  """simple docstring"""


  lowerCAmelCase__			:Dict											=							0
  for length in range(1     ,   max_power + 1			):
    result += reversible_numbers(_A     ,   0     ,   [0] * length     ,   _A			)
  return result


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






def 						lowerCamelCase__    (		_A							):







	'''simple docstring'''





	if num <= 0:
		raise ValueError("Input must be a positive integer"							)

	snake_case_		    =     [True] * (num + 1)

	snake_case_		    =     2
	while p * p <= num:
		if primes[p]:
			for i in range(p * p     ,	num + 1     ,	_A							):
				snake_case_		    =     False
		p += 1

	return [prime for prime in range(2     ,	num + 1							) if primes[prime]]


if __name__ == "__main__":
		import doctest

		doctest.testmod()

		lowercase__				:     Tuple 		=						int(input("Enter a positive integer: ").strip())
		print(prime_sieve_eratosthenes(user_num))
