from collections import defaultdict

size_A, size_B = map(int, input().split())

occurrences: dict[str, list[int]] = defaultdict(list)

for i in range(size_A):
    word_A = input()
    occurrences[word_A].append(i + 1)

for _ in range(size_B):
    word_B = input()
    if word_B in occurrences:
        print(*occurrences[word_B])
    else:
        print(-1)