





from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


snake_case_     :   str							=			{'''configuration_sew''': ['''SEW_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''SEWConfig''']}

try:
				if not is_torch_available():
								raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
				pass
else:
				snake_case_     :   Union[str, Any]							=			[
				    '''SEW_PRETRAINED_MODEL_ARCHIVE_LIST''',
				    '''SEWForCTC''',
				    '''SEWForSequenceClassification''',
				    '''SEWModel''',
				    '''SEWPreTrainedModel''',
				]

if TYPE_CHECKING:
				from .configuration_sew import SEW_PRETRAINED_CONFIG_ARCHIVE_MAP, SEWConfig

				try:
								if not is_torch_available():
												raise OptionalDependencyNotAvailable()
				except OptionalDependencyNotAvailable:
								pass
				else:
								from .modeling_sew import (
								    SEW_PRETRAINED_MODEL_ARCHIVE_LIST,
								    SEWForCTC,
								    SEWForSequenceClassification,
								    SEWModel,
								    SEWPreTrainedModel,
								)


else:
				import sys

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








def 					A__	(       SCREAMING_SNAKE_CASE_		)   ->     bool:
		lowerCamelCase   : Optional[Any]								=[int(SCREAMING_SNAKE_CASE_		) for i in ip_va_address.split('''.'''		) if i.isdigit()]
		return len(SCREAMING_SNAKE_CASE_		) == 4 and all(0 <= int(SCREAMING_SNAKE_CASE_		) <= 2_5_4 for octet in octets		)


if __name__ == "__main__":
				snake_case_							=			input().strip()
				snake_case_							=			'''valid''' if is_ip_va_address_valid(ip) else '''invalid'''
				print(F"""{ip} is a {valid_or_invalid} IP v4 address.""")

