





import os







def   __lowerCamelCase   (				__a  :str = "matrix.txt"       )						->							int:






		"""simple docstring"""

		with open(os.path.join(os.path.dirname(__a       )       ,	__a       )       ) as in_file:
				A__     =  in_file.read()

		A__     =  [[int(__a       ) for cell in row.split(""","""       )] for row in data.strip().splitlines()]
		A__     =  [[0 for cell in row] for row in grid]
		A__     =  len(grid[0]       )

		A__     =  [[0 for i in range(__a       )] for j in range(__a       )]
		A__     =  grid[0][0]
		for i in range(1       ,	__a       ):
				A__     =  grid[0][i] + dp[0][i - 1]
		for i in range(1       ,	__a       ):
				A__     =  grid[i][0] + dp[i - 1][0]

		for i in range(1       ,	__a       ):
				for j in range(1       ,	__a       ):
						A__     =  grid[i][j] + min(dp[i - 1][j]       ,	dp[i][j - 1]       )

		return dp[-1][-1]


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










def   __lowerCamelCase   (				__a  :int = 4_0_0_0_0_0_0       )						->							int:






		"""simple docstring"""

		A__     =  []
		A__ ,     A__     =  0, 1
		while b <= n:
				if b % 2 == 0:
						even_fibs.append(__a       )
				A__ ,     A__     =  b, a + b
		return sum(__a       )


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



