X, N, M = [int(i) for i in input().strip().split(' ')]
A = [int(i) for i in input().strip().split(' ')]
B = [int(i) for i in input().strip().split(' ')]
ans = (('MrMax' if X in A else '') + ('MaxValu' if X in B else '')).replace('MaxMax', 'Max')
print(['-1', ans][len(ans) > 0])