




'''simple docstring'''

import os




def    snake_case__     (  )			->       Tuple:





			'''simple docstring'''






			snake_case__          =						os.path.dirname(os.path.realpath(_A	)	)
			snake_case__          =						os.path.join(_A       ,      """triangle.txt"""	)

			with open(_A	) as f:
						snake_case__          =						f.readlines()

			snake_case__          =						[[int(_A	) for y in x.rstrip("""\r\n"""	).split(""" """	)] for x in triangle]

			for i in range(1       ,      len(_A	)	):
						for j in range(len(a[i]	)	):
									snake_case__          =						a[i - 1][j] if j != len(a[i - 1]	) else 0
									snake_case__          =						a[i - 1][j - 1] if j > 0 else 0
									a[i][j] += max(_A       ,      _A	)
			return max(a[-1]	)


if __name__ == "__main__":
		print(solution())





def 				UpperCAmelCase__  (							_A      ,      _A			):






  """simple docstring"""


  if not root or root not in binary_tree_mirror_dictionary:
    return
  a_    , a_		    =  binary_tree_mirror_dictionary[root][:2]
  a_		    =  [right_child, left_child]
  binary_tree_mirror_dict(_A      ,      _A			)
  binary_tree_mirror_dict(_A      ,      _A			)






def 				UpperCAmelCase__  (							_A      ,      _A = 1			):






  """simple docstring"""


  if not binary_tree:
    raise ValueError('''binary tree cannot be empty'''			)
  if root not in binary_tree:
    a_		    =  f"root {root} is not present in the binary_tree"
    raise ValueError(_A			)
  a_		    =  dict(_A			)
  binary_tree_mirror_dict(_A      ,      _A			)
  return binary_tree_mirror_dictionary


if __name__ == "__main__":
  UpperCamelCase__       				=	{1: [2, 3], 2: [4, 5], 3: [6, 7], 7: [8, 9]}
  print(F"""Binary tree: {binary_tree}""")
  UpperCamelCase__       				=	binary_tree_mirror(binary_tree, 5)
  print(F"""Binary tree mirror: {binary_tree_mirror_dictionary}""")
