


__UpperCamelCase    :						Dict     =							[0, 2, 4, 6, 8]
__UpperCamelCase    :						Optional[Any]     =							[1, 3, 5, 7, 9]





def   _UpperCAmelCase       (     UpperCAmelCase      :			int						,	UpperCAmelCase      :			int						,	UpperCAmelCase      :			list[int]						,	UpperCAmelCase      :			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     :      Optional[Any]       						=						digit
                  result += reversible_numbers(
                      0						,	(remainder + 2 * digit) // 10						,	UpperCAmelCase						,	UpperCAmelCase      )
            return result

      __lowerCamelCase     :      int       						=						0
      for digita in range(10      ):
            __lowerCamelCase     :      Union[str, Any]       						=						digita

            if (remainder + digita) % 2 == 0:
                  __lowerCamelCase     :      Dict       						=						ODD_DIGITS
            else:
                  __lowerCamelCase     :      Any       						=						EVEN_DIGITS

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





def   _UpperCAmelCase       (     UpperCAmelCase      :			int = 9      ):
      """simple docstring"""




      __lowerCamelCase     :      Optional[Any]       						=						0
      for length in range(1						,	max_power + 1      ):
            result += reversible_numbers(UpperCAmelCase						,	0						,	[0] * length						,	UpperCAmelCase      )
      return result


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







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__UpperCamelCase    :						Optional[Any]     =							{
    'configuration_swinv2': ['SWINV2_PRETRAINED_CONFIG_ARCHIVE_MAP', 'Swinv2Config'],
}


try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    __UpperCamelCase    :						List[Any]     =							[
        'SWINV2_PRETRAINED_MODEL_ARCHIVE_LIST',
        'Swinv2ForImageClassification',
        'Swinv2ForMaskedImageModeling',
        'Swinv2Model',
        'Swinv2PreTrainedModel',
    ]


if TYPE_CHECKING:
    from .configuration_swinva import SWINV2_PRETRAINED_CONFIG_ARCHIVE_MAP, SwinvaConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_swinva import (
            SWINV2_PRETRAINED_MODEL_ARCHIVE_LIST,
            SwinvaForImageClassification,
            SwinvaForMaskedImageModeling,
            SwinvaModel,
            SwinvaPreTrainedModel,
        )


else:
    import sys

    __UpperCamelCase    :						List[Any]     =							_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)



