X, _, _ = input().split()
L1 = input().split()
L2 = input().split()

if X in L1 and X not in L2:
    print('MrMax')
elif X not in L1 and X in L2:
    print('MaxValu')
elif X in L1 and X in L2:
    print('MrMaxValu')
else:
    print(-1)