def solve():
    x, n, m = map(int, input().split())
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))
    M = {0:"-1", 1:"MrMax", 2:"MaxValu", 3:"MrMaxValu"}
    ans = 0
    if x in A:
        ans += 1
    if x in B:
        ans += 2
    print(M[ans])
solve()