
'''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 ()







'''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())





