



'''simple docstring'''

import sys







def     __UpperCamelCase					(				_lowercase,					_lowercase       )			->      int:
	if not numbers:
		return 0
	if target == 0 and target in numbers:
		return 0
	if not isinstance(_lowercase,					(list, tuple)       ) or not all(
	    isinstance(_lowercase,					_lowercase       ) for number in numbers       ):
		raise ValueError('numbers must be an iterable of integers'       )

	_lowercase       :							Tuple  	=		0
	_lowercase       :							Tuple  	=		sys.maxsize

	while right < len(_lowercase       ):
		curr_sum += numbers[right]
		while curr_sum >= target and left <= right:
			_lowercase       :							Dict  	=		min(_lowercase,					right - left + 1       )
			curr_sum -= numbers[left]
			left += 1
		right += 1

	return 0 if min_len == sys.maxsize else min_len





'''simple docstring'''

from __future__ import annotations

import sys







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







def     __UpperCamelCase					(				_lowercase       )			->      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
	_lowercase	,     _lowercase       :							List[str]  	=		_fib(n // 2       )
	_lowercase       :							Dict  	=		a * (b * 2 - a)
	_lowercase       :							Union[str, Any]  	=		a * a + b * b
	return (d, c + d) if n % 2 else (c, d)


if __name__ == "__main__":
		_A					:     Optional[Any]      =int(sys.argv[1])
		print(F'''fibonacci({n}) is {fibonacci(n)}''')
