






"""simple docstring"""




lowerCamelCase     :							Tuple    =[0, 2, 4, 6, 8]
lowerCamelCase     :							str    =[1, 3, 5, 7, 9]







def 		SCREAMING_SNAKE_CASE							( __lowerCAmelCase ,   __lowerCAmelCase ,   __lowerCAmelCase ,   __lowerCAmelCase      )			->     int:
     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

          UpperCamelCase__      :       Any	    =  0
          for digit in range(10      ):
               UpperCamelCase__      :       Optional[Any]	    =  digit
               result += reversible_numbers(
                   0 ,   (remainder + 2 * digit) // 10 ,   __lowerCAmelCase ,   __lowerCAmelCase      )
          return result

     UpperCamelCase__      :       str	    =  0
     for digita in range(10      ):
          UpperCamelCase__      :       List[Any]	    =  digita

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

          for digita in other_parity_digits:
               UpperCamelCase__      :       int	    =  digita
               result += reversible_numbers(
                   remaining_length - 2 ,   (remainder + digita + digita) // 10 ,   __lowerCAmelCase ,   __lowerCAmelCase ,   )
     return result







def 		SCREAMING_SNAKE_CASE							( __lowerCAmelCase = 9      )			->     int:
     UpperCamelCase__      :       Optional[Any]	    =  0
     for length in range(1 ,   max_power + 1      ):
          result += reversible_numbers(__lowerCAmelCase ,   0 ,   [0] * length ,   __lowerCAmelCase      )
     return result


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







from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import Features, Value
from .base import TaskTemplate





@dataclass(frozen=A__	)
class       __a  (   A__	):
 _lowerCAmelCase	:	str				=			field(default='''language-modeling'''	,       metadata={'''include_in_asdict_even_if_is_default''': True}	)

 _lowerCAmelCase	:	ClassVar[Features]				=			Features({'''text''': Value('''string'''	)}	)
 _lowerCAmelCase	:	ClassVar[Features]				=			Features({}	)
 _lowerCAmelCase	:	str				=			"text"







 @property
 def  __lowercase (		self :       str						):


      '''simple docstring'''






      return {self.text_column: "text"}