
def        A__					(						lowerCamelCase						)  ->	Optional[Any]:
				UpperCamelCase_:							Optional[int]	=						len(lowerCamelCase						)
				UpperCamelCase_:							Tuple	=						sum(lowerCamelCase						)

				UpperCamelCase_:							str	=						[[False for x in range(s + 1						)] for y in range(n + 1						)]

				for i in range(1     ,    n + 1						):
								UpperCamelCase_:							Dict	=						True

				for i in range(1     ,    s + 1						):
								UpperCamelCase_:							Tuple	=						False

				for i in range(1     ,    n + 1						):
								for j in range(1     ,    s + 1						):
												UpperCamelCase_:							Optional[Any]	=						dp[i][j - 1]

												if arr[i - 1] <= j:
																UpperCamelCase_:							List[Any]	=						dp[i][j] or dp[i - 1][j - arr[i - 1]]

				for j in range(int(s / 2						)     ,    -1     ,    -1						):
								if dp[n][j] is True:
												UpperCamelCase_:							Dict	=						s - 2 * j
												break

				return diff








def        A__					(						lowerCamelCase = 50						)  ->	int:
				UpperCamelCase_:							List[Any]	=						[[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() = }""")






