


def       lowercase_		(		_A			:    int    ,					_A			:    list[int]    ,					_A			:    int						):

      """simple docstring"""




      def count_of_possible_combinations(_A			:    int						) -> int:
            if target < 0:
                  return 0
            if target == 0:
                  return 1
            return sum(count_of_possible_combinations(target - item						) for item in array						)

      return count_of_possible_combinations(_A						)

def       lowercase_		(		_A			:    int    ,					_A			:    list[int]    ,					_A			:    int						):

      """simple docstring"""




      def count_of_possible_combinations_with_dp_array(
          _A			:    int    ,					_A			:    list[int]						) -> int:
            if target < 0:
                  return 0
            if target == 0:
                  return 1
            if dp_array[target] != -1:
                  return dp_array[target]
            lowerCamelCase__		:				Tuple    =  sum(
                count_of_possible_combinations_with_dp_array(target - item    ,					_A						)
                for item in array						)
            lowerCamelCase__		:				List[str]    =  answer
            return answer

      lowerCamelCase__		:				Tuple    =  [-1] * (target + 1)
      return count_of_possible_combinations_with_dp_array(_A    ,					_A						)

def       lowercase_		(		_A			:    int    ,					_A			:    list[int]    ,					_A			:    int						):

      """simple docstring"""




      lowerCamelCase__		:				int    =  [0] * (target + 1)
      lowerCamelCase__		:				str    =  1

      for i in range(1    ,					target + 1						):
            for j in range(_A						):
                  if i - array[j] >= 0:
                        dp_array[i] += dp_array[i - array[j]]

      return dp_array[target]


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    A      :    Tuple		=					3
    A      :    str		=					5
    A      :    Dict		=					[1, 2, 5]
    print(combination_sum_iv(n, array, target))






from collections import defaultdict

def       lowercase_		(		_A			:    int						):

      """simple docstring"""




      lowerCamelCase__		:				Union[str, Any]    =  1
      lowerCamelCase__		:				Dict    =  True
      for v in tree[start]:
            if v not in visited:
                  ret += dfs(_A						)
      if ret % 2 == 0:
            cuts.append(_A						)
      return ret

def       lowercase_		(		):

      """simple docstring"""




      dfs(1						)


if __name__ == "__main__":
    A,  A      :    Tuple		=					10, 9
    A      :    int		=					defaultdict(list)
    A      :    dict[int, bool]		=					{}
    A      :    list[int]		=					[]
    A      :    List[str]		=					0
    A      :    Tuple		=					[(2, 1), (3, 1), (4, 3), (5, 2), (6, 1), (7, 2), (8, 6), (9, 8), (10, 8)]
    for u, v in edges:
        tree[u].append(v)
        tree[v].append(u)
    even_tree()
    print(len(cuts) - 1)


