





"""simple docstring"""
def 						__a       (     _SCREAMING_SNAKE_CASE       )     ->list:

  if len(_SCREAMING_SNAKE_CASE       ) <= 1:
    return [tuple(_SCREAMING_SNAKE_CASE       )]

  a__:					Union[str, Any]      							=     []

  def generate(_SCREAMING_SNAKE_CASE		,					_SCREAMING_SNAKE_CASE       ):
    a__:					Union[str, Any]      							=     [0] * n
    res.append(tuple(_SCREAMING_SNAKE_CASE       )       )

    a__:					Tuple      							=     0
    while i < n:
      if c[i] < i:
        if i % 2 == 0:
          a__							,   a__:					Tuple      							=     arr[i], arr[0]
        else:
          a__							,   a__:					List[str]      							=     arr[i], arr[c[i]]
        res.append(tuple(_SCREAMING_SNAKE_CASE       )       )
        c[i] += 1
        a__:					Optional[Any]      							=     0
      else:
        a__:					Optional[Any]      							=     0
        i += 1

  generate(len(_SCREAMING_SNAKE_CASE       )		,					_SCREAMING_SNAKE_CASE       )
  return res


if __name__ == "__main__":
 lowercase__ 	=     input('Enter numbers separated by a comma:\n').strip()
 lowercase__ 	=     [int(item) for item in user_input.split(',')]
 print(heaps(arr))



"""simple docstring"""
# Lint as: python3
# pylint: enable=line-too-long
# pylint: disable=g-import-not-at-top,g-bad-import-order,wrong-import-position

lowercase__ 	=     '2.13.1'

import platform

import pyarrow
from packaging import version


if version.parse(platform.python_version()) < version.parse('3.7'):
 raise ImportWarning(
     'To use `datasets`, Python>=3.7 is required, and the current version of Python doesn\'t match this condition.'
 )

if version.parse(pyarrow.__version__).major < 8:
 raise ImportWarning(
     'To use `datasets`, the module `pyarrow>=8.0.0` is required, and the current version of `pyarrow` doesn\'t match this condition.\n'
     'If you are running this in a Google Colab, you should probably just restart the runtime to use the right version of `pyarrow`.'
 )

del platform
del pyarrow
del version

from .arrow_dataset import Dataset
from .arrow_reader import ReadInstruction
from .builder import ArrowBasedBuilder, BeamBasedBuilder, BuilderConfig, DatasetBuilder, GeneratorBasedBuilder
from .combine import concatenate_datasets, interleave_datasets
from .dataset_dict import DatasetDict, IterableDatasetDict
from .download import *
from .features import *
from .fingerprint import disable_caching, enable_caching, is_caching_enabled, set_caching_enabled
from .info import DatasetInfo, MetricInfo
from .inspect import (
    get_dataset_config_info,
    get_dataset_config_names,
    get_dataset_infos,
    get_dataset_split_names,
    inspect_dataset,
    inspect_metric,
    list_datasets,
    list_metrics,
)
from .iterable_dataset import IterableDataset
from .load import load_dataset, load_dataset_builder, load_from_disk, load_metric
from .metric import Metric
from .splits import (
    NamedSplit,
    NamedSplitAll,
    Split,
    SplitBase,
    SplitDict,
    SplitGenerator,
    SplitInfo,
    SubSplitInfo,
    percent,
)
from .tasks import *
from .utils import *
from .utils import logging


# deprecated modules
from datasets import arrow_dataset as _arrow_dataset  # isort:skip
from datasets import utils as _utils  # isort:skip
from datasets.utils import download_manager as _deprecated_download_manager  # isort:skip

lowercase__ 	=     concatenate_datasets
lowercase__ 	=     DownloadConfig
lowercase__ 	=     DownloadManager
lowercase__ 	=     DownloadMode
lowercase__ 	=     DownloadConfig
lowercase__ 	=     DownloadMode
lowercase__ 	=     DownloadManager

del _arrow_dataset, _utils, _deprecated_download_manager


