N = int(input())
A = [[*input()] for _ in range(N)]

trie = [dict()]
count = [0]

for a in A:
    curr = 0
    count[0] += 1

    for c in a:
        if c in trie[curr]:
            to = trie[curr][c]
        else:
            to = len(trie)
            trie.append(dict())
            count.append(0)

        trie[curr][c] = to
        count[to] += 1
        curr = to

Q = int(input())
curr = 0
stack = [0]
ans = N

for _ in range(Q):
    cmd, *query = input().split()
    cmd = int(cmd)

    if cmd == 1:
        x = query[0]

        if x in trie[curr]:
            to = trie[curr][x]
        else:
            to = len(trie)
            trie.append(dict())
            count.append(0)

        trie[curr][x] = to
        stack.append(to)
        curr = to

    elif cmd == 2:
        stack.pop()
        curr = stack[-1]

    else:
        print(count[curr])