






"""simple docstring"""



from __future__ import annotations

import re




def       snake_case__		(   _SCREAMING_SNAKE_CASE			)    ->list[str]:




 def alphanum_key(_SCREAMING_SNAKE_CASE			):
  return [int(lowerCAmelCase__			) if s.isdigit() else s.lower() for s in re.split("""([0-9]+)"""       ,	lowerCAmelCase__			)]

 return sorted(lowerCAmelCase__       ,	key=lowerCAmelCase__			)


if __name__ == "__main__":
 import doctest

 doctest.testmod()








"""simple docstring"""







def 							UpperCamelCase_       (       lowerCAmelCase__ :							int = 400_0000		)		->  int:

  """simple docstring"""




  if n <= 1:
    return 0
  lowerCAmelCase_  :							Union[str, Any]								=					0
  lowerCAmelCase_  :							Tuple								=					2
  lowerCAmelCase_  :							List[Any]								=					0
  while 4 * b + a <= n:
    lowerCAmelCase_		,lowerCAmelCase_  :							str								=					b, 4 * b + a
    count += a
  return count + b


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





