




from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


UpperCamelCase__ :   Optional[Any]						=							{
    'configuration_megatron_bert': ['MEGATRON_BERT_PRETRAINED_CONFIG_ARCHIVE_MAP', 'MegatronBertConfig'],
}

try:
						if not is_torch_available():
												raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
						pass
else:
						UpperCamelCase__ :   List[Any]						=							[
						    'MEGATRON_BERT_PRETRAINED_MODEL_ARCHIVE_LIST',
						    'MegatronBertForCausalLM',
						    'MegatronBertForMaskedLM',
						    'MegatronBertForMultipleChoice',
						    'MegatronBertForNextSentencePrediction',
						    'MegatronBertForPreTraining',
						    'MegatronBertForQuestionAnswering',
						    'MegatronBertForSequenceClassification',
						    'MegatronBertForTokenClassification',
						    'MegatronBertModel',
						    'MegatronBertPreTrainedModel',
						]

if TYPE_CHECKING:
						from .configuration_megatron_bert import MEGATRON_BERT_PRETRAINED_CONFIG_ARCHIVE_MAP, MegatronBertConfig

						try:
												if not is_torch_available():
																		raise OptionalDependencyNotAvailable()
						except OptionalDependencyNotAvailable:
												pass
						else:
												from .modeling_megatron_bert import (
												    MEGATRON_BERT_PRETRAINED_MODEL_ARCHIVE_LIST,
												    MegatronBertForCausalLM,
												    MegatronBertForMaskedLM,
												    MegatronBertForMultipleChoice,
												    MegatronBertForNextSentencePrediction,
												    MegatronBertForPreTraining,
												    MegatronBertForQuestionAnswering,
												    MegatronBertForSequenceClassification,
												    MegatronBertForTokenClassification,
												    MegatronBertModel,
												    MegatronBertPreTrainedModel,
												)

else:
						import sys

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







'''simple docstring'''

def _SCREAMING_SNAKE_CASE (A			)			->			bool:






       """simple docstring"""







       lowercase__      =					[int(A			) for i in ip_va_address.split('''.'''			) if i.isdigit()]
       return len(A			) == 4 and all(0 <= int(A			) <= 254 for octet in octets			)


if __name__ == "__main__":
 lowerCamelCase				:  Optional[Any]    		=      input().strip()
 lowerCamelCase				:  Union[str, Any]    		=      'valid' if is_ip_va_address_valid(ip) else 'invalid'
 print(f"""{ip} is a {valid_or_invalid} IP v4 address.""")




