



'''simple docstring'''


import warnings
from functools import wraps
from typing import Callable







def 				__lowerCamelCase				(   A__    )       ->	Callable:






   """simple docstring"""

   @wraps(A__    )
   def _inner_fn(*A__    ,						**A__    ):
      warnings.warn(
          (F"""'{fn.__name__}' is experimental and might be subject to breaking changes in the future.""")    ,						A__    ,						)
      return fn(*A__    ,						**A__    )

   return _inner_fn






'''simple docstring'''


def 				__lowerCamelCase				(   A__ = 10**9    )       ->	int:






   """simple docstring"""
   UpperCamelCase					=  1
   UpperCamelCase					=  2

   UpperCamelCase					=  0
   UpperCamelCase					=  0
   UpperCamelCase					=  0
   while perimeter <= max_perimeter:
      perimeters_sum += perimeter

      prev_value += 2 * value
      value += prev_value

      UpperCamelCase					=  2 * value + 2 if i % 2 == 0 else 2 * value - 2
      i += 1

   return perimeters_sum


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

