





"""simple docstring"""




import os






def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       str = "input.txt"   )					->int:






	'''simple docstring'''






	with open(os.path.join(os.path.dirname(_lowercase   )       ,			_lowercase   )   ) as input_file:
		a :						Any      =							[
		    [int(_lowercase   ) for element in line.split(","   )]
		    for line in input_file.readlines()
		]

	a :						List[str]      =							len(_lowercase   )
	a :						List[Any]      =							len(matrix[0]   )

	a :						Union[str, Any]      =							[[-1 for _ in range(_lowercase   )] for _ in range(_lowercase   )]
	for i in range(_lowercase   ):
		a :						Optional[int]      =							matrix[i][0]

	for j in range(1       ,			_lowercase   ):
		for i in range(_lowercase   ):
			a :						List[Any]      =							minimal_path_sums[i][j - 1] + matrix[i][j]

		for i in range(1       ,			_lowercase   ):
			a :						str      =							min(
			    minimal_path_sums[i][j]       ,			minimal_path_sums[i - 1][j] + matrix[i][j]   )

		for i in range(rows - 2       ,			-1       ,			-1   ):
			a :						Optional[Any]      =							min(
			    minimal_path_sums[i][j]       ,			minimal_path_sums[i + 1][j] + matrix[i][j]   )

	return min(minimal_path_sums_row[-1] for minimal_path_sums_row in minimal_path_sums   )


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









"""simple docstring"""




def  _SCREAMING_SNAKE_CASE						(      _lowercase		:       Tuple   )					->Optional[Any]:






	'''simple docstring'''






	a :						Any      =							[]
	a :						List[str]      =							set({"(", "[", "{"}   )
	a :						int      =							set({")", "]", "}"}   )
	a :						int      =							{"{": "}", "[": "]", "(": ")"}

	for i in range(len(_lowercase   )   ):
		if s[i] in open_brackets:
			stack.append(s[i]   )

		elif s[i] in closed_brackets and (
		    len(_lowercase   ) == 0 or (len(_lowercase   ) > 0 and open_to_closed[stack.pop()] != s[i])
		):
			return False

	return len(_lowercase   ) == 0






def  _SCREAMING_SNAKE_CASE						(      )					->Tuple:






	'''simple docstring'''






	a :						Any      =							input("Enter sequence of brackets: "   )
	if is_balanced(_lowercase   ):
		print(_lowercase       ,			"is balanced"   )
	else:
		print(_lowercase       ,			"is not balanced"   )


if __name__ == "__main__":
		main()


