


from __future__ import annotations

def       lowercase_		(		_A			:    str    ,					_A			:    str						):

      """simple docstring"""




      lowerCamelCase__		:				List[Any]    =  get_failure_array(_A						)

      # 2) Step through text searching for pattern
      lowerCamelCase__    ,   lowerCamelCase__		:				int    =  0, 0  # index into text, pattern
      while i < len(_A						):
            if pattern[j] == text[i]:
                  if j == (len(_A						) - 1):
                        return True
                  j += 1

            # if this is a prefix in our pattern
            # just go back far enough to continue
            elif j > 0:
                  lowerCamelCase__		:				Tuple    =  failure[j - 1]
                  continue
            i += 1
      return False

def       lowercase_		(		_A			:    str						):

      """simple docstring"""




      lowerCamelCase__		:				str    =  [0]
      lowerCamelCase__		:				Optional[Any]    =  0
      lowerCamelCase__		:				Tuple    =  1
      while j < len(_A						):
            if pattern[i] == pattern[j]:
                  i += 1
            elif i > 0:
                  lowerCamelCase__		:				Dict    =  failure[i - 1]
                  continue
            j += 1
            failure.append(_A						)
      return failure


if __name__ == "__main__":
    # Test 1)
    A      :    List[Any]		=					"abc1abc12"
    A      :    Dict		=					"alskfjaldsabc1abc1abc12k23adsfabcabc"
    A      :    Union[str, Any]		=					"alskfjaldsk23adsfabcabc"
    assert kmp(pattern, texta) and not kmp(pattern, texta)

    # Test 2)
    A      :    List[Any]		=					"ABABX"
    A      :    Any		=					"ABABZABABYABABX"
    assert kmp(pattern, text)

    # Test 3)
    A      :    Optional[Any]		=					"AAAB"
    A      :    Optional[int]		=					"ABAAAAAB"
    assert kmp(pattern, text)

    # Test 4)
    A      :    str		=					"abcdabcy"
    A      :    Optional[int]		=					"abcxabcdabxabcdabcdabcy"
    assert kmp(pattern, text)

    # Test 5)
    A      :    Dict		=					"aabaabaaa"
    assert get_failure_array(pattern) == [0, 1, 0, 1, 2, 3, 4, 5, 2]






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)


