def ll_insert(head, name, phone):
    current = head
    while current is not None:
        if current['name'] == name:
            current['phone'] = phone
            return head
        current = current['next']
    new_node = {'name': name, 'phone': phone, 'next': None}
    if head is None:
        return new_node
    current = head
    while current['next'] is not None:
        current = current['next']
    current['next'] = new_node
    return head

def ll_find(head, name):
    current = head
    while current is not None:
        if current['name'] == name:
            return current['phone']
        current = current['next']
    return None

def ll_delete(head, name):
    if head is None:
        return None
    if head['name'] == name:
        return head['next']
    prev = head
    current = head['next']
    while current is not None:
        if current['name'] == name:
            prev['next'] = current['next']
            return head
        prev = current
        current = current['next']
    return head

def ll_list_all(head):
    records = []
    current = head
    while current is not None:
        records.append((current['name'], current['phone']))
        current = current['next']
    records.sort(key=lambda x: x[0])
    return records


HASH_SIZE = 997

def hash_func(name, size):
    return hash(name) % size

def ht_create():
    return [None] * HASH_SIZE

def ht_insert(table, name, phone):
    idx = hash_func(name, len(table))
    table[idx] = ll_insert(table[idx], name, phone)
    return table

def ht_find(table, name):
    idx = hash_func(name, len(table))
    return ll_find(table[idx], name)

def ht_delete(table, name):
    idx = hash_func(name, len(table))
    table[idx] = ll_delete(table[idx], name)
    return table

def ht_list_all(table):
    all_records = []
    for head in table:
        current = head
        while current is not None:
            all_records.append((current['name'], current['phone']))
            current = current['next']
    all_records.sort(key=lambda x: x[0])
    return all_records


def bst_create_node(name, phone):
    return {'name': name, 'phone': phone, 'left': None, 'right': None}

def bst_insert(root, name, phone):
    if root is None:
        return bst_create_node(name, phone)

    if name == root['name']:
        root['phone'] = phone
    elif name < root['name']:
        root['left'] = bst_insert(root['left'], name, phone)
    else:
        root['right'] = bst_insert(root['right'], name, phone)
    return root

def bst_find(root, name):
    if root is None:
        return None
    if name == root['name']:
        return root['phone']
    elif name < root['name']:
        return bst_find(root['left'], name)
    else:
        return bst_find(root['right'], name)

def bst_find_min(node):
    while node['left'] is not None:
        node = node['left']
    return node

def bst_delete(root, name):
    if root is None:
        return None

    if name < root['name']:
        root['left'] = bst_delete(root['left'], name)
    elif name > root['name']:
        root['right'] = bst_delete(root['right'], name)
    else:
        if root['left'] is None:
            return root['right']
        if root['right'] is None:
            return root['left']

        min_node = bst_find_min(root['right'])
        root['name'] = min_node['name']
        root['phone'] = min_node['phone']
        root['right'] = bst_delete(root['right'], min_node['name'])
    return root

def bst_list_all(root):
    result = []

    def inorder_traverse(node):
        if node is None:
            return
        inorder_traverse(node['left'])
        result.append((node['name'], node['phone']))
        inorder_traverse(node['right'])

    inorder_traverse(root)
    return result


if __name__ == "__main__":
    print("=== Тестирование связного списка ===")
    head = None
    head = ll_insert(head, "Ivan", "123-456")
    head = ll_insert(head, "Boris", "789-012")
    print("LinkedList:", ll_list_all(head))

    print("\n=== Тестирование хеш-таблицы ===")
    ht = ht_create()
    ht = ht_insert(ht, "Ivan", "123-456")
    ht = ht_insert(ht, "Boris", "789-012")
    print("HashTable:", ht_list_all(ht))

    print("\n=== Тестирование BST ===")
    bst_root = None
    bst_root = bst_insert(bst_root, "Ivan", "123-456")
    bst_root = bst_insert(bst_root, "Boris", "789-012")
    bst_root = bst_insert(bst_root, "Anna", "345-678")
    bst_root = bst_insert(bst_root, "Ivan", "111-222")
    print("BST entries:", bst_list_all(bst_root))
    print("Find Ivan:", bst_find(bst_root, "Ivan"))
    bst_root = bst_delete(bst_root, "Boris")
    print("After delete Boris:", bst_list_all(bst_root))