


"""simple docstring"""




from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


__UpperCamelCase						=      {
    '''configuration_bigbird_pegasus''': [
        '''BIGBIRD_PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP''',
        '''BigBirdPegasusConfig''',
        '''BigBirdPegasusOnnxConfig''',
    ],
}

try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	__UpperCamelCase						=      [
	    '''BIGBIRD_PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST''',
	    '''BigBirdPegasusForCausalLM''',
	    '''BigBirdPegasusForConditionalGeneration''',
	    '''BigBirdPegasusForQuestionAnswering''',
	    '''BigBirdPegasusForSequenceClassification''',
	    '''BigBirdPegasusModel''',
	    '''BigBirdPegasusPreTrainedModel''',
	]


if TYPE_CHECKING:
	from .configuration_bigbird_pegasus import (
	    BIGBIRD_PEGASUS_PRETRAINED_CONFIG_ARCHIVE_MAP,
	    BigBirdPegasusConfig,
	    BigBirdPegasusOnnxConfig,
	)

	try:
		if not is_torch_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_bigbird_pegasus import (
		    BIGBIRD_PEGASUS_PRETRAINED_MODEL_ARCHIVE_LIST,
		    BigBirdPegasusForCausalLM,
		    BigBirdPegasusForConditionalGeneration,
		    BigBirdPegasusForQuestionAnswering,
		    BigBirdPegasusForSequenceClassification,
		    BigBirdPegasusModel,
		    BigBirdPegasusPreTrainedModel,
		)


else:
	import sys

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






"""simple docstring"""




def     lowercase			(SCREAMING_SNAKE_CASE_		:				int = 10_00  )   ->						int:
						SCREAMING_SNAKE_CASE													=					2**power
						SCREAMING_SNAKE_CASE													=					0
						while n:
												SCREAMING_SNAKE_CASE							,				SCREAMING_SNAKE_CASE													=					r + n % 10, n // 10
						return r


if __name__ == "__main__":
	print(solution(int(str(input()).strip())))


