
"""simple docstring"""





def 	__a     (		__lowerCamelCase,		__lowerCamelCase  ):
   UpperCAmelCase_					:					Tuple			     =    len(__lowerCamelCase  )
   UpperCAmelCase_					:					Union[str, Any]			     =    []
   for i in range(len(__lowerCamelCase  ) - pat_len + 1  ):
      UpperCAmelCase_					:					Tuple			     =    True
      for j in range(__lowerCamelCase  ):
         if s[i + j] != pattern[j]:
            UpperCAmelCase_					:					List[str]			     =    False
            break
      if match_found:
         position.append(__lowerCamelCase  )
   return position


if __name__ == "__main__":
    assert naive_pattern_search('ABCDEFG', 'DE') == [3]
    print(naive_pattern_search('ABAAABCDBBABCDDEBCABC', 'ABC'))






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)


