




'''simple docstring'''





def 						lowerCAmelCase		(		_lowerCAmelCase							:   int = 400_0000	):




 """simple docstring"""







 UpperCAmelCase__							 =						[]
 UpperCAmelCase__ , UpperCAmelCase__							 =						0, 1
 while b <= n:
  if b % 2 == 0:
   even_fibs.append(_lowerCAmelCase	)
  UpperCAmelCase__ , UpperCAmelCase__							 =						b, a + b
 return sum(_lowerCAmelCase	)


if __name__ == "__main__":
  print(F'''{solution() = }''')











import json
from typing import TYPE_CHECKING, List, Optional, Tuple

from tokenizers import pre_tokenizers

from ...tokenization_utils_base import BatchEncoding
from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging


if TYPE_CHECKING:
  from transformers.pipelines.conversational import Conversation


_lowerCAmelCase						:   str		=   logging.get_logger(__name__)

_lowerCAmelCase						:   List[Any]		=   {"tokenizer_file": "tokenizer.json"}

_lowerCAmelCase						:   Tuple		=   {
    "tokenizer_file": {
        "bigscience/tokenizer": "https://huggingface.co/bigscience/tokenizer/blob/main/tokenizer.json",
        "bigscience/bloom-560m": "https://huggingface.co/bigscience/bloom-560m/blob/main/tokenizer.json",
        "bigscience/bloom-1b1": "https://huggingface.co/bigscience/bloom-1b1/blob/main/tokenizer.json",
        "bigscience/bloom-1b7": "https://huggingface.co/bigscience/bloom-1b7/blob/main/tokenizer.json",
        "bigscience/bloom-3b": "https://huggingface.co/bigscience/bloom-3b/blob/main/tokenizer.json",
        "bigscience/bloom-7b1": "https://huggingface.co/bigscience/bloom-7b1/blob/main/tokenizer.json",
        "bigscience/bloom": "https://huggingface.co/bigscience/bloom/blob/main/tokenizer.json",
    },
}
class 			_UpperCamelCase      (				lowerCAmelCase		):
      UpperCAmelCase_        =		VOCAB_FILES_NAMES
      UpperCAmelCase_        =		PRETRAINED_VOCAB_FILES_MAP
      UpperCAmelCase_        =		["""input_ids""", """attention_mask"""]
      UpperCAmelCase_        =		None
      def __init__(			self   :List[Any] ,      lowerCamelCase   :Union[str, Any]=None ,      lowerCamelCase   :Optional[Any]=None ,      lowerCamelCase   :List[Any]=None ,      lowerCamelCase   :Union[str, Any]="<unk>" ,      lowerCamelCase   :Union[str, Any]="<s>" ,      lowerCamelCase   :Union[str, Any]="</s>" ,      lowerCamelCase   :str="<pad>" ,      lowerCamelCase   :Any=False ,      lowerCamelCase   :Optional[Any]=False ,      **lowerCamelCase   :Optional[Any] ,      )     ->			Any:
       super().__init__(
           lowerCamelCase ,      lowerCamelCase ,      tokenizer_file=lowerCamelCase ,      unk_token=lowerCamelCase ,      bos_token=lowerCamelCase ,      eos_token=lowerCamelCase ,      pad_token=lowerCamelCase ,      add_prefix_space=lowerCamelCase ,      clean_up_tokenization_spaces=lowerCamelCase ,      **lowerCamelCase ,      )
       UpperCAmelCase__							 =						json.loads(self.backend_tokenizer.pre_tokenizer.__getstate__()      )
       if pre_tok_state.get("add_prefix_space" ,      lowerCamelCase      ) != add_prefix_space:
        UpperCAmelCase__							 =						getattr(lowerCamelCase ,      pre_tok_state.pop("type"      )      )
        UpperCAmelCase__							 =						add_prefix_space
        UpperCAmelCase__							 =						pre_tok_class(**lowerCamelCase      )

       UpperCAmelCase__							 =						add_prefix_space
      def 	UpperCAmelCase_						(			self   :int ,      *lowerCamelCase   :Any ,      **lowerCamelCase   :int      )     ->			BatchEncoding:
       UpperCAmelCase__							 =						kwargs.get("is_split_into_words" ,      lowerCamelCase      )
       if not (self.add_prefix_space or not is_split_into_words):
        raise Exception(
            f'''You need to instantiate {self.__class__.__name__} with add_prefix_space=True to use it with'''
            " pretokenized inputs."      )

       return super()._batch_encode_plus(*lowerCamelCase ,      **lowerCamelCase      )
      def 	UpperCAmelCase_						(			self   :Any ,      *lowerCamelCase   :List[Any] ,      **lowerCamelCase   :Union[str, Any]      )     ->			BatchEncoding:
       UpperCAmelCase__							 =						kwargs.get("is_split_into_words" ,      lowerCamelCase      )

       if not (self.add_prefix_space or not is_split_into_words):
        raise Exception(
            f'''You need to instantiate {self.__class__.__name__} with add_prefix_space=True to use it with'''
            " pretokenized inputs."      )

       return super()._encode_plus(*lowerCamelCase ,      **lowerCamelCase      )
      def 	UpperCAmelCase_						(			self   :Tuple ,      lowerCamelCase   :str ,      lowerCamelCase   :Optional[str] = None      )     ->			Tuple[str]:
       UpperCAmelCase__							 =						self._tokenizer.model.save(lowerCamelCase ,      name=lowerCamelCase      )
       return tuple(lowerCamelCase      )







      def 	UpperCAmelCase_						(			self   :List[str] ,      lowerCamelCase   :"Conversation"      )     ->			List[int]:
       UpperCAmelCase__							 =						[]
       for is_user, text in conversation.iter_texts():
        input_ids.extend(self.encode(lowerCamelCase ,      add_special_tokens=lowerCamelCase      ) + [self.eos_token_id]      )

       if len(lowerCamelCase      ) > self.model_max_length:
        UpperCAmelCase__							 =						input_ids[-self.model_max_length :]
       return input_ids





