



'''simple docstring'''


def      SCREAMING_SNAKE_CASE				(				lowercase_    :      list ,  lowercase_    :      int ,  lowercase_    :      int = 0 ,  lowercase_    :      int = 0						):
      lowercase        =							right or len(__a						) - 1
      if left > right:
            return -1
      elif list_data[left] == key:
            return left
      elif list_data[right] == key:
            return right
      else:
            return search(__a ,  __a ,  left + 1 ,  right - 1						)


if __name__ == "__main__":
      import doctest

      doctest.testmod()







'''simple docstring'''


import os







def      SCREAMING_SNAKE_CASE				(				):
						lowercase        =							os.path.join(os.path.dirname(lowercase_						) ,  """num.txt"""						)
						with open(lowercase_						) as file_hand:
												return str(sum(int(lowercase_						) for line in file_hand						)						)[:10]


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


