x, n, m = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
res = ['MrMax', 'MaxValu', 'MrMaxValu', '-1']

if x in A and x in B:
    print(res[2])
elif x in A:
    print(res[0])
elif x in B:
    print(res[1])
else:
    print(res[3])