'''simple docstring'''


__lowerCAmelCase	:       List[Any]						       =	[0, 2, 4, 6, 8]
__lowerCAmelCase	:       Any						       =	[1, 3, 5, 7, 9]





def       lowerCAmelCase					(		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 //= 1_0

		return 1

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

		__UpperCAmelCase							=			0
		for digit in range(1_0       ):
			__UpperCAmelCase							=			digit
			result += reversible_numbers(
			    0    ,					(remainder + 2 * digit) // 1_0    ,					UpperCamelCase__    ,					UpperCamelCase__       )
		return result

	__UpperCAmelCase							=			0
	for digita in range(1_0       ):
		__UpperCAmelCase							=			digita

		if (remainder + digita) % 2 == 0:
			__UpperCAmelCase							=			ODD_DIGITS
		else:
			__UpperCAmelCase							=			EVEN_DIGITS

		for digita in other_parity_digits:
			__UpperCAmelCase							=			digita
			result += reversible_numbers(
			    remaining_length - 2    ,					(remainder + digita + digita) // 1_0    ,					UpperCamelCase__    ,					UpperCamelCase__    ,					)
	return result





def       lowerCAmelCase					(		UpperCamelCase__				:   int = 9       ):


	"""simple docstring"""
	__UpperCAmelCase							=			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() = }""")

'''simple docstring'''


from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


__lowerCAmelCase	:       Optional[Any]						       =	{
    "configuration_llama": ["LLAMA_PRETRAINED_CONFIG_ARCHIVE_MAP", "LlamaConfig"],
}

try:
					if not is_sentencepiece_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					__lowerCAmelCase	:       str						       =	["LlamaTokenizer"]

try:
					if not is_tokenizers_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					__lowerCAmelCase	:       str						       =	["LlamaTokenizerFast"]

try:
					if not is_torch_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					__lowerCAmelCase	:       Union[str, Any]						       =	[
					    "LlamaForCausalLM",
					    "LlamaModel",
					    "LlamaPreTrainedModel",
					    "LlamaForSequenceClassification",
					]


if TYPE_CHECKING:
					from .configuration_llama import LLAMA_PRETRAINED_CONFIG_ARCHIVE_MAP, LlamaConfig

					try:
										if not is_sentencepiece_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .tokenization_llama import LlamaTokenizer

					try:
										if not is_tokenizers_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .tokenization_llama_fast import LlamaTokenizerFast

					try:
										if not is_torch_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .modeling_llama import LlamaForCausalLM, LlamaForSequenceClassification, LlamaModel, LlamaPreTrainedModel


else:
					import sys

					__lowerCAmelCase	:       Optional[Any]						       =	_LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)
