def main():
    import sys
    input = sys.stdin.readline

    X, N, M = map(int, input().split())
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))

    flg = 0
    if X in A:
        flg += 1
    if X in B:
        flg += 2
    if flg == 0:
        print(-1)
    elif flg == 1:
        print('MrMax')
    elif flg == 2:
        print('MaxValu')
    else:
        print('MrMaxValu')


if __name__ == '__main__':
    main()