def     lowerCAmelCase_			(   _SCREAMING_SNAKE_CASE     :				int = 50			):
						UpperCamelCase_		:							str  =		[1] * (length + 1)

						for row_length in range(3		, length + 1			):
												for block_length in range(3		, row_length + 1			):
																		for block_start in range(row_length - block_length			):
																								ways_number[row_length] += ways_number[
																								    row_length - block_start - block_length - 1
																								]

																		ways_number[row_length] += 1

						return ways_number[length]


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







import numpy as np






def     lowerCAmelCase_			(   _SCREAMING_SNAKE_CASE     :				np.array			):
						return (2 / (1 + np.exp(-2 * vector			))) - 1


if __name__ == "__main__":
	import doctest

	doctest.testmod()






