






def   a			(						lowerCamelCase_ = 50				):






				'''simple docstring'''
				lowercase__    =			[[0] * 3 for _ in range(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				):
																different_colour_ways_number[row_length][tile_length - 2] += (
																    different_colour_ways_number[row_length - tile_start - tile_length][
																        tile_length - 2
																    ]
																    + 1
																)

				return sum(different_colour_ways_number[length]				)


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












from .configuration_bert_masked import MaskedBertConfig
from .modeling_bert_masked import (
    MaskedBertForMultipleChoice,
    MaskedBertForQuestionAnswering,
    MaskedBertForSequenceClassification,
    MaskedBertForTokenClassification,
    MaskedBertModel,
)
from .modules import *




