# coding: utf-8
x, n, m = map(int, input().split())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
if x in a:
    if x in b:
        print('MrMaxValu')
    else:
        print('MrMax')
else:
    if x in b:
        print('MaxValu')
    else:
        print('-1')