x, n, m = map(int, input().split())

MrMax = list(map(int, input().split()))
MaxValu = list(map(int, input().split()))

if x in MrMax and x in MaxValu:
    print('MrMaxValu')
elif x in MrMax:
    print('MrMax')
elif x in MaxValu:
    print('MaxValu')
else:
    print(-1)