from math import ceil




def 				UpperCamelCase						(       __lowercase						: int = 10_01	):
		'''simple docstring'''




		A_		:				List[str]     =      1

		for i in range(1						,int(ceil(n / 2.0	)	)	):
				A_		:				Tuple     =      2 * i + 1
				A_		:				Optional[Any]     =      2 * i
				A_		:				Dict     =      total + 4 * odd**2 - 6 * even

		return total


if __name__ == "__main__":
	import sys

	if len(sys.argv) == 1:
		print(solution())
	else:
		try:
			_UpperCAmelCase						=		int(sys.argv[1])
			print(solution(n))
		except ValueError:
			print("""Invalid entry - please enter a number""")








from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_sentencepiece_available,
    is_tokenizers_available,
    is_torch_available,
)


_A   =     {}

try:
			if not is_sentencepiece_available():
						raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
			pass
else:
			_A   =     ["NllbTokenizer"]

try:
			if not is_tokenizers_available():
						raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
			pass
else:
			_A   =     ["NllbTokenizerFast"]


if TYPE_CHECKING:
			try:
						if not is_sentencepiece_available():
									raise OptionalDependencyNotAvailable()
			except OptionalDependencyNotAvailable:
						pass
			else:
						from .tokenization_nllb import NllbTokenizer

			try:
						if not is_tokenizers_available():
									raise OptionalDependencyNotAvailable()
			except OptionalDependencyNotAvailable:
						pass
			else:
						from .tokenization_nllb_fast import NllbTokenizerFast

else:
			import sys

			_A   =     _LazyModule(__name__, globals()["__file__"], _import_structure, module_spec=__spec__)



