



"""simple docstring"""


import torch

from transformers import PreTrainedModel

from .custom_configuration import CustomConfig, NoSuperInitConfig







class  A_     (	SCREAMING_SNAKE_CASE_							):



						"""simple docstring"""
						__UpperCamelCase													=				CustomConfig






						def __init__(   self					:Optional[Any]  ,    lowercase_					:str   )							->     List[Any]:
												super().__init__(lowercase_   )
												UpperCAmelCase			 =					torch.nn.Linear(config.hidden_size  ,    config.hidden_size   )






						def       UpperCAmelCase__	(   self					:Dict  ,    lowercase_					:Optional[Any]   )							->     Union[str, Any]:
												return self.linear(lowercase_   )






						def       UpperCAmelCase__	(   self					:Dict  ,    lowercase_					:int   )							->     int:
												pass







class  A_     (	SCREAMING_SNAKE_CASE_							):



						"""simple docstring"""
						__UpperCamelCase													=				NoSuperInitConfig






						def __init__(   self					:Tuple  ,    lowercase_					:Union[str, Any]   )							->     Any:
												super().__init__(lowercase_   )
												UpperCAmelCase			 =					torch.nn.Linear(config.attribute  ,    config.attribute   )






						def       UpperCAmelCase__	(   self					:Union[str, Any]  ,    lowercase_					:Any   )							->     List[str]:
												return self.linear(lowercase_   )






						def       UpperCAmelCase__	(   self					:Union[str, Any]  ,    lowercase_					:Tuple   )							->     List[str]:
												pass






"""simple docstring"""
from __future__ import annotations

import sys







def 		__a  (      _SCREAMING_SNAKE_CASE  )      ->int:
  if n < 0:
    raise ValueError('Negative arguments are not supported'  )
  return _fib(_SCREAMING_SNAKE_CASE  )[0]







def 		__a  (      _SCREAMING_SNAKE_CASE  )      ->tuple[int, int]:
  if n == 0:  # (F(0), F(1))
    return (0, 1)

  # F(2n) = F(n)[2F(n+1) − F(n)]
  # F(2n+1) = F(n+1)^2+F(n)^2
  a__				,       a__:	Optional[int]     				=      _fib(n // 2  )
  a__:	List[str]     				=      a * (b * 2 - a)
  a__:	Dict     				=      a * a + b * b
  return (d, c + d) if n % 2 else (c, d)


if __name__ == "__main__":
 lowercase__   			=      int(sys.argv[1])
 print(f"fibonacci({n}) is {fibonacci(n)}")


