code: 
  '''simple docstring'''
  
  from typing import Dict, List, Optional, Tuple
  
  from ...tokenization_utils import AddedToken, PreTrainedTokenizer
  from ...utils import logging
  
  
  _UpperCAmelCase   :      List[str] 						=  logging.get_logger(__name__)
  
  class 			UpperCAmelCase				(					a_ ):
  
  
  
  
  
  		"""simple docstring"""
  
  
  
  
  
  		A__  :   List[Any]          =    ['input_ids', 'attention_mask']
  		def __init__(    self  ,					_snake_case="[PAD]"  ,					_snake_case="[BOS]"  ,					_snake_case="[EOS]"  ,					_snake_case="[MASK]"  ,					_snake_case="[CLS]"  ,					_snake_case="[SEP]"  ,					_snake_case=2048  ,					**_snake_case  ,					)				->    None:
  				_UpperCamelCase       : List[Any]    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else pad_token
  				_UpperCamelCase       : str    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else bos_token
  				_UpperCamelCase       : Union[str, Any]    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else eos_token
  				_UpperCamelCase       : Optional[int]    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else mask_token
  				_UpperCamelCase       : Union[str, Any]    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else cls_token
  				_UpperCamelCase       : Union[str, Any]    =      AddedToken(_snake_case  ,					lstrip=_snake_case  ,					rstrip=_snake_case     ) if isinstance(_snake_case  ,					_snake_case     ) else sep_token
  
  				super().__init__(
  				    pad_token=_snake_case  ,					bos_token=_snake_case  ,					eos_token=_snake_case  ,					mask_token=_snake_case  ,					cls_token=_snake_case  ,					sep_token=_snake_case  ,					model_max_length=_snake_case  ,					**_snake_case  ,					)
  
  				_UpperCamelCase       : Dict    =      2**8  # utf is 8 bits
  
  				# define special tokens dict
  				_UpperCamelCase       : Dict[str, int]    =      {
  				    self.pad_token: 0,
  				    self.bos_token: 1,
  				    self.eos_token: 2,
  				    self.mask_token: 3,
  				    self.cls_token: 4,
  				    self.sep_token: 5,
  				}
  				_UpperCamelCase       : List[str]    =      len(self.special_tokens_encoder     )
  				_UpperCamelCase       : Dict[int, str]    =      {v: k for k, v in self.special_tokens_encoder.items()}
  		def _lowercase  (    self     )				->    Dict[str, int]:
  				_UpperCamelCase       : str    =      self.special_tokens_encoder.copy()
  				vocab.update(self.added_tokens_encoder     )
  				for i in range(self._utf_vocab_size     ):
  						_UpperCamelCase       : List[str]    =      chr(_snake_case     )
  						_UpperCamelCase       : int    =      i + len(self.special_tokens_encoder     )
  				return vocab
  		@property
  		def _lowercase  (    self     )				->    Optional[Any]:
  				return self._utf_vocab_size + self._num_special_tokens
  		def _lowercase  (    self  ,					_snake_case  ,					_snake_case = None  ,					_snake_case = False     )				->    List[int]:
  				if already_has_special_tokens:
  						return super().get_special_tokens_mask(
  						    token_ids_a=_snake_case  ,					token_ids_a=_snake_case  ,					already_has_special_tokens=_snake_case     )
  
  				# normal case: some special tokens
  				if token_ids_a is None:
  						return [1] + [0] * len(_snake_case     ) + [1]
  				return [1] + ([0] * len(_snake_case     )) + [1] + ([0] * len(_snake_case     )) + [1]
  		def _lowercase  (    self  ,					_snake_case  ,					_snake_case = None     )				->    List[int]:
  				if token_ids_a is None:
  						return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
  				else:
  						return [self.cls_token_id] + token_ids_a + [self.sep_token_id] + token_ids_a + [self.sep_token_id]
  		def _lowercase  (    self  ,					_snake_case     )				->    List[str]:
  				_UpperCamelCase       : str    =      [chr(_snake_case     ) for i in text.encode('''utf-8'''     )]
  				return tokens
  		def _lowercase  (    self  ,					_snake_case     )				->    int:
  				if token in self.special_tokens_encoder:
  						_UpperCamelCase       : Optional[int]    =      self.special_tokens_encoder[token]
  				elif token in self.added_tokens_encoder:
  						_UpperCamelCase       : Union[str, Any]    =      self.added_tokens_encoder[token]
  				elif len(_snake_case     ) != 1:
  						_UpperCamelCase       : Union[str, Any]    =      self.unk_token_id
  				else:
  						_UpperCamelCase       : Any    =      ord(_snake_case     ) + self._num_special_tokens
  				return token_id
  		def _lowercase  (    self  ,					_snake_case     )				->    Any:
  				if index in self.special_tokens_decoder:
  						_UpperCamelCase       : Dict    =      self.special_tokens_decoder[index]
  				elif index in self.added_tokens_decoder:
  						_UpperCamelCase       : int    =      self.added_tokens_decoder[index]
  				else:
  						_UpperCamelCase       : List[str]    =      chr(index - self._num_special_tokens     )
  				return token
  		def _lowercase  (    self  ,					_snake_case     )				->    int:
  				_UpperCamelCase       : Optional[int]    =      b''''''
  				for token in tokens:
  						if token in self.special_tokens_decoder:
  								_UpperCamelCase       : str    =      self.special_tokens_decoder[token].encode('''utf-8'''     )
  						elif token in self.added_tokens_decoder:
  								_UpperCamelCase       : Tuple    =      self.special_tokens_decoder[token].encode('''utf-8'''     )
  						elif token in self.special_tokens_encoder:
  								_UpperCamelCase       : List[Any]    =      token.encode('''utf-8'''     )
  						elif token in self.added_tokens_encoder:
  								_UpperCamelCase       : Tuple    =      token.encode('''utf-8'''     )
  						else:
  								_UpperCamelCase       : List[str]    =      bytes([ord(_snake_case     )]     )
  						bstring += tok_string
  				_UpperCamelCase       : List[str]    =      bstring.decode('''utf-8'''  ,					errors='''replace'''     )
  				return string
  
  
  
  
  		def _lowercase  (    self  ,					_snake_case  ,					_snake_case = None     )				->    Tuple[str]:
  				return ()
  
  
  
  
  
  
style_context: 
  '''simple docstring'''
  
  import os
  
  
  
  
  
  
  
  def 						snake_case__	(      ) ->      Tuple:
  		_UpperCamelCase       : Dict    =      os.path.dirname(os.path.realpath(UpperCamelCase	)	)
  		_UpperCamelCase       : str    =      os.path.join(UpperCamelCase			,'''triangle.txt'''	)
  
  		with open(UpperCamelCase	) as f:
  				_UpperCamelCase       : Optional[Any]    =      f.readlines()
  
  		_UpperCamelCase       : List[str]    =      [[int(UpperCamelCase	) for y in x.rstrip('''\r\n'''	).split(''' '''	)] for x in triangle]
  
  		for i in range(1			,len(UpperCamelCase	)	):
  				for j in range(len(a[i]	)	):
  						_UpperCamelCase       : str    =      a[i - 1][j] if j != len(a[i - 1]	) else 0
  						_UpperCamelCase       : Any    =      a[i - 1][j - 1] if j > 0 else 0
  						a[i][j] += max(UpperCamelCase			,UpperCamelCase	)
  		return max(a[-1]	)
  
  
  if __name__ == "__main__":
  	print(solution())
  
  
  
  
  
  