





def        _lowercase   (  _UpperCAmelCase = 50			)  ->					Any:
				lowerCamelCase			=[1] * (length + 1)

				for row_length in range(length + 1			):
								for tile_length in range(2     , 5			):
												for tile_start in range(row_length - tile_length + 1			):
																ways_number[row_length] += ways_number[
																    row_length - tile_start - tile_length
																]

				return ways_number[length]


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












import inspect
import unittest

class  __A       (  unittest.TestCase      ):


				def _snake_case    (						self							):
								try:
												import diffusers  # noqa: F401
								except ImportError:
												assert False


				def _snake_case    (						self							):
								import diffusers
								from diffusers.dependency_versions_table import deps

								lowerCamelCase			=inspect.getmembers(UpperCAmelCase_				,	inspect.isclass							)

								for cls_name, cls_module in all_classes:
												if "dummy_" in cls_module.__module__:
																for backend in cls_module._backends:
																				if backend == "k_diffusion":
																								lowerCamelCase			="""k-diffusion"""
																				elif backend == "invisible_watermark":
																								lowerCamelCase			="""invisible-watermark"""
																				assert backend in deps, f"""{backend} is not in the deps table!"""





