code: 
  
  
  '''simple docstring'''
  
  
  
  from typing import TYPE_CHECKING
  
  from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available
  
  
  __lowercase			:		Tuple =			{
      'configuration_musicgen': [
          'MUSICGEN_PRETRAINED_CONFIG_ARCHIVE_MAP',
          'MusicgenConfig',
          'MusicgenDecoderConfig',
      ],
      'processing_musicgen': ['MusicgenProcessor'],
  }
  
  try:
  							if not is_torch_available():
  														raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
  							pass
  else:
  							__lowercase			:		Dict =			[
  							    'MUSICGEN_PRETRAINED_MODEL_ARCHIVE_LIST',
  							    'MusicgenForConditionalGeneration',
  							    'MusicgenForCausalLM',
  							    'MusicgenModel',
  							    'MusicgenPreTrainedModel',
  							]
  
  if TYPE_CHECKING:
  							from .configuration_musicgen import (
  							    MUSICGEN_PRETRAINED_CONFIG_ARCHIVE_MAP,
  							    MusicgenConfig,
  							    MusicgenDecoderConfig,
  							)
  							from .processing_musicgen import MusicgenProcessor
  
  							try:
  														if not is_torch_available():
  																					raise OptionalDependencyNotAvailable()
  							except OptionalDependencyNotAvailable:
  														pass
  							else:
  														from .modeling_musicgen import (
  														    MUSICGEN_PRETRAINED_MODEL_ARCHIVE_LIST,
  														    MusicgenForCausalLM,
  														    MusicgenForConditionalGeneration,
  														    MusicgenModel,
  														    MusicgenPreTrainedModel,
  														)
  
  else:
  							import sys
  
  							__lowercase			:		List[Any] =			_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)
  
  
  
  
style_context: 
  
  
  '''simple docstring'''
  
  
  
  import itertools
  
  
  
  
  
  
  def 						lowerCamelCase							(_SCREAMING_SNAKE_CASE   :     int = 1_000_000     ):
  					__a    : str      					=						[1]
  
  					for i in itertools.count(len(_SCREAMING_SNAKE_CASE     )     ):
  										__a    : Dict      					=						0
  										for j in itertools.count(1     ):
  															__a    : int      					=						-1 if j % 2 == 0 else +1
  															__a    : Optional[int]      					=						(j * j * 3 - j) // 2
  															if index > i:
  																				break
  															item += partitions[i - index] * sign
  															item %= number
  															index += j
  															if index > i:
  																				break
  															item += partitions[i - index] * sign
  															item %= number
  
  										if item == 0:
  															return i
  										partitions.append(_SCREAMING_SNAKE_CASE     )
  
  					return 0
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  	print(f'''{solution() = }''')
  
  
  
  