





def      _UpperCamelCase  (a__ :int = 50							):






							"""simple docstring"""





							UpperCamelCase__					  =      [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 copy
import random

from transformers import CLIPTokenizer

class 							__SCREAMING_SNAKE_CASE       (  _a							):






							def __init__(    self	,			*__lowerCAmelCase	,			**__lowerCAmelCase	):
														super().__init__(*__lowerCAmelCase	,			**__lowerCAmelCase	)
														UpperCamelCase__					  =      {}






							def 					_lowerCamelCase		(    self	,			__lowerCAmelCase	,			*__lowerCAmelCase	,			**__lowerCAmelCase	):
														UpperCamelCase__					  =      super().add_tokens(__lowerCAmelCase	,			*__lowerCAmelCase	,			**__lowerCAmelCase	)
														if num_added_tokens == 0:
																					raise ValueError(
																					    f"""The tokenizer already contains the token {placeholder_token}. Please pass a different"""
																					    """ `placeholder_token` that is not already in the tokenizer."""	)






							def 					_lowerCamelCase		(    self	,			__lowerCAmelCase	,			*__lowerCAmelCase	,			__lowerCAmelCase=1	,			**__lowerCAmelCase	):
														UpperCamelCase__					  =      []
														if num_vec_per_token == 1:
																					self.try_adding_tokens(__lowerCAmelCase	,			*__lowerCAmelCase	,			**__lowerCAmelCase	)
																					output.append(__lowerCAmelCase	)
														else:
																					UpperCamelCase__					  =      []
																					for i in range(__lowerCAmelCase	):
																												UpperCamelCase__					  =      placeholder_token + f"""_{i}"""
																												self.try_adding_tokens(__lowerCAmelCase	,			*__lowerCAmelCase	,			**__lowerCAmelCase	)
																												output.append(__lowerCAmelCase	)
        # handle cases where there is a new placeholder token that contains the current placeholder token but is larger
														for token in self.token_map:
																					if token in placeholder_token:
																												raise ValueError(
																												    f"""The tokenizer already has placeholder token {token} that can get confused with"""
																												    f""" {placeholder_token}keep placeholder tokens independent"""	)
														UpperCamelCase__					  =      output






							def 					_lowerCamelCase		(    self	,			__lowerCAmelCase	,			__lowerCAmelCase=False	,			__lowerCAmelCase=1.0	):
														if isinstance(__lowerCAmelCase	,			__lowerCAmelCase	):
																					UpperCamelCase__					  =      []
																					for i in range(len(__lowerCAmelCase	)	):
																												output.append(self.replace_placeholder_tokens_in_text(text[i]	,			vector_shuffle=__lowerCAmelCase	)	)
																					return output
														for placeholder_token in self.token_map:
																					if placeholder_token in text:
																												UpperCamelCase__					  =      self.token_map[placeholder_token]
																												UpperCamelCase__					  =      tokens[: 1 + int(len(__lowerCAmelCase	) * prop_tokens_to_load	)]
																												if vector_shuffle:
																																			UpperCamelCase__					  =      copy.copy(__lowerCAmelCase	)
																																			random.shuffle(__lowerCAmelCase	)
																												UpperCamelCase__					  =      text.replace(__lowerCAmelCase	,			""" """.join(__lowerCAmelCase	)	)
														return text






							def __call__(    self	,			__lowerCAmelCase	,			*__lowerCAmelCase	,			__lowerCAmelCase=False	,			__lowerCAmelCase=1.0	,			**__lowerCAmelCase	):
														return super().__call__(
														    self.replace_placeholder_tokens_in_text(
														        __lowerCAmelCase	,			vector_shuffle=__lowerCAmelCase	,			prop_tokens_to_load=__lowerCAmelCase	)	,			*__lowerCAmelCase	,			**__lowerCAmelCase	,			)







							def 					_lowerCamelCase		(    self	,			__lowerCAmelCase	,			*__lowerCAmelCase	,			__lowerCAmelCase=False	,			__lowerCAmelCase=1.0	,			**__lowerCAmelCase	):
														return super().encode(
														    self.replace_placeholder_tokens_in_text(
														        __lowerCAmelCase	,			vector_shuffle=__lowerCAmelCase	,			prop_tokens_to_load=__lowerCAmelCase	)	,			*__lowerCAmelCase	,			**__lowerCAmelCase	,			)




