


from typing import TYPE_CHECKING

# rely on isort to merge the imports
from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


SCREAMING_SNAKE_CASE							    =							{
    'configuration_autoformer': [
        'AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP',
        'AutoformerConfig',
    ],
}

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  SCREAMING_SNAKE_CASE							    =							[
      'AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST',
      'AutoformerForPrediction',
      'AutoformerModel',
      'AutoformerPreTrainedModel',
  ]


if TYPE_CHECKING:
  from .configuration_autoformer import (
      AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
      AutoformerConfig,
  )

  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_autoformer import (
        AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
        AutoformerForPrediction,
        AutoformerModel,
        AutoformerPreTrainedModel,
    )

else:
  import sys

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







def  a   (lowerCAmelCase__ = 1_000_000   ):
   __a					=  1
   __a					=  1
   __a					=  {1: 1}

   for inputa in range(2		,				lowerCAmelCase__   ):
      __a					=  0
      __a					=  inputa

      while True:
         if number in counters:
            counter += counters[number]
            break
         if number % 2 == 0:
            number //= 2
            counter += 1
         else:
            __a					=  (3 * number) + 1
            counter += 1

      if inputa not in counters:
         __a					=  counter

      if counter > pre_counter:
         __a					=  inputa
         __a					=  counter
   return largest_number


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



