


"""simple docstring"""






from argparse import ArgumentParser

from datasets.commands.convert import ConvertCommand
from datasets.commands.dummy_data import DummyDataCommand
from datasets.commands.env import EnvironmentCommand
from datasets.commands.run_beam import RunBeamCommand
from datasets.commands.test import TestCommand
from datasets.utils.logging import set_verbosity_info
def       A_   (   _lowerCAmelCase     :					List[Any]       ):






					"""simple docstring"""

					return {key.lstrip('''-'''       ): value for key, value in zip(unknown_args[::2],     unknown_args[1::2]       )}
def       A_   (   ):






					"""simple docstring"""

					_a    	=				ArgumentParser(
					    '''HuggingFace Datasets CLI tool''',     usage='''datasets-cli <command> [<args>]''',     allow_abbrev=__lowerCAmelCase       )
					_a    	=				parser.add_subparsers(help='''datasets-cli command helpers'''       )
					set_verbosity_info()

					# Register commands
					ConvertCommand.register_subcommand(__lowerCAmelCase       )
					EnvironmentCommand.register_subcommand(__lowerCAmelCase       )
					TestCommand.register_subcommand(__lowerCAmelCase       )
					RunBeamCommand.register_subcommand(__lowerCAmelCase       )
					DummyDataCommand.register_subcommand(__lowerCAmelCase       )

					# Parse args
					_a	,      _a    	=				parser.parse_known_args()
					if not hasattr(__lowerCAmelCase,     '''func'''       ):
										parser.print_help()
										exit(1       )
					_a    	=				parse_unknown_args(__lowerCAmelCase       )

					# Run
					_a    	=				args.func(__lowerCAmelCase,     **__lowerCAmelCase       )
					service.run()


if __name__ == "__main__":
			main()



"""simple docstring"""






def       A_   (   _lowerCAmelCase     :					int = 10_00       ):






     """simple docstring"""

     _a	,      _a    	=				1, 1
     _a    	=				2
     while True:
          _a    	=				0
          _a    	=				fa + fa
          _a	,      _a    	=				fa, f
          index += 1
          for _ in str(_lowerCAmelCase       ):
               i += 1
          if i == n:
               break
     return index


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