def main():
    N = int(input())
    S = []
    T = []
    S.append(input().split())
    T.append(input().split())

    for x in range(N):
        if S[0][x] != T[0][x]:
            print(x + 1)
            print(S[0][x])
            print(T[0][x])
            break


if __name__ == "__main__":
    main()