




'''simple docstring'''


import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


_snake_case   :   Dict     							=	get_logger(__name__)

class     A					(	enum.Enum					):
							lowercase_           =       'all_checks'
							lowercase_           =       'basic_checks'
							lowercase_           =       'no_checks'



class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



def 	snake_case_					(UpperCamelCase :						Optional[dict]				,		UpperCamelCase :						dict				,		UpperCamelCase :						List[str]=None   ):


							if expected_checksums is None:
														logger.info('''Unable to verify checksums.'''   )
														return
							if len(set(UpperCamelCase   ) - set(UpperCamelCase   )   ) > 0:
														raise ExpectedMoreDownloadedFiles(str(set(UpperCamelCase   ) - set(UpperCamelCase   )   )   )
							if len(set(UpperCamelCase   ) - set(UpperCamelCase   )   ) > 0:
														raise UnexpectedDownloadedFile(str(set(UpperCamelCase   ) - set(UpperCamelCase   )   )   )
							_a			  =       [url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
							_a			  =       ''' for ''' + verification_name if verification_name is not None else ''''''
							if len(UpperCamelCase   ) > 0:
														raise NonMatchingChecksumError(
														    f'Checksums didn\'t match{for_verification_name}:\n'
														    f'{bad_urls}\n'
														    '''Set `verification_mode=\'no_checks\'` to skip checksums verification and ignore this error'''   )
							logger.info('''All the checksums matched successfully''' + for_verification_name   )

class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



class     A					(	_a					):
							pass



def 	snake_case_					(UpperCamelCase :						Optional[dict]				,		UpperCamelCase :						dict   ):


							if expected_splits is None:
														logger.info('''Unable to verify splits sizes.'''   )
														return
							if len(set(UpperCamelCase   ) - set(UpperCamelCase   )   ) > 0:
														raise ExpectedMoreSplits(str(set(UpperCamelCase   ) - set(UpperCamelCase   )   )   )
							if len(set(UpperCamelCase   ) - set(UpperCamelCase   )   ) > 0:
														raise UnexpectedSplits(str(set(UpperCamelCase   ) - set(UpperCamelCase   )   )   )
							_a			  =       [
							    {'''expected''': expected_splits[name], '''recorded''': recorded_splits[name]}
							    for name in expected_splits
							    if expected_splits[name].num_examples != recorded_splits[name].num_examples
							]
							if len(UpperCamelCase   ) > 0:
														raise NonMatchingSplitsSizesError(str(UpperCamelCase   )   )
							logger.info('''All the splits matched successfully.'''   )
def 	snake_case_					(UpperCamelCase :						str				,		UpperCamelCase :						bool = True   ):


							if record_checksum:
														_a			  =       shaaaa()
														with open(UpperCamelCase				,		'''rb'''   ) as f:
																					for chunk in iter(lambda: f.read(1 << 20   )				,		B''''''   ):
																												m.update(UpperCamelCase   )
																					_a			  =       m.hexdigest()
							else:
														_a			  =       None
							return {"num_bytes": os.path.getsize(UpperCamelCase   ), "checksum": checksum}

def 	snake_case_					(UpperCamelCase :						List[Any]   ):


							if dataset_size and config.IN_MEMORY_MAX_SIZE:
														return dataset_size < config.IN_MEMORY_MAX_SIZE
							else:
														return False







'''simple docstring'''


def 	snake_case_					(UpperCamelCase :						int   ):





							'''simple docstring'''


							if n == 1 or not isinstance(UpperCamelCase				,		UpperCamelCase   ):
														return 0
							elif n == 2:
														return 1
							else:
														_a			  =       [0, 1]
														for i in range(2				,		n + 1   ):
																					sequence.append(sequence[i - 1] + sequence[i - 2]   )

														return sequence[n]
def 	snake_case_					(UpperCamelCase :						int   ):





							'''simple docstring'''


							_a			  =       0
							_a			  =       2

							while digits < n:
														index += 1
														_a			  =       len(str(fibonacci(UpperCamelCase   )   )   )

							return index
def 	snake_case_					(UpperCamelCase :						int = 1000   ):





							'''simple docstring'''


							return fibonacci_digits_index(UpperCamelCase   )


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

