




lowerCamelCase    :		str			   =       [0, 2, 4, 6, 8]
lowerCamelCase    :		List[str]			   =       [1, 3, 5, 7, 9]

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	int     ,							lowercase     :	int     ,							lowercase     :	list[int]     ,							lowercase     :	int					):


      '''simple docstring'''



      if remaining_length == 0:
            if digits[0] == 0 or digits[-1] == 0:
                  return 0

            for i in range(length // 2 - 1     ,							-1     ,							-1					):
                  remainder += digits[i] + digits[length - i - 1]

                  if remainder % 2 == 0:
                        return 0

                  remainder //= 10

            return 1

      if remaining_length == 1:
            if remainder % 2 == 0:
                  return 0

            lowerCamelCase_							=   0
            for digit in range(10					):
                  lowerCamelCase_							=   digit
                  result += reversible_numbers(
                      0     ,							(remainder + 2 * digit) // 10     ,							lowercase     ,							lowercase					)
            return result

      lowerCamelCase_							=   0
      for digita in range(10					):
            lowerCamelCase_							=   digita

            if (remainder + digita) % 2 == 0:
                  lowerCamelCase_							=   ODD_DIGITS
            else:
                  lowerCamelCase_							=   EVEN_DIGITS

            for digita in other_parity_digits:
                  lowerCamelCase_							=   digita
                  result += reversible_numbers(
                      remaining_length - 2     ,							(remainder + digita + digita) // 10     ,							lowercase     ,							lowercase     ,							)
      return result

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	int = 9					):


      '''simple docstring'''



      lowerCamelCase_							=   0
      for length in range(1     ,							max_power + 1					):
            result += reversible_numbers(lowercase     ,							0     ,							[0] * length     ,							lowercase					)
      return result


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









from __future__ import annotations

def       _SCREAMING_SNAKE_CASE      (							lowercase     :	dict     ,							lowercase     :	str					):


      '''simple docstring'''



      lowerCamelCase_					,    lowerCamelCase_							=   set(lowercase					), [start]

      while stack:
            lowerCamelCase_							=   stack.pop()
            explored.add(lowercase					)
            # Differences from BFS:
            # 1) pop last element instead of first one
            # 2) add adjacent elements to stack without exploring them
            for adj in reversed(graph[v]					):
                  if adj not in explored:
                        stack.append(lowercase					)
      return explored


lowerCamelCase    :		int			   =       {
    "A": ["B", "C", "D"],
    "B": ["A", "D", "E"],
    "C": ["A", "F"],
    "D": ["B", "D"],
    "E": ["B", "F"],
    "F": ["C", "E", "G"],
    "G": ["F"],
}

if __name__ == "__main__":
 import doctest

 doctest.testmod()
 print(depth_first_search(G, "A"))



