def main():
    X, N, M = map(int, input().split())
    A = set(map(int, input().split()))
    B = set(map(int, input().split()))

    if X in A:
        if X in B:
            print("MrMaxValu")
        else:
            print("MrMax")
    elif X in B:
        print("MaxValu")
    else:
        print(-1)


if __name__ == "__main__":
    main()