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

Mr = ""
Valu =""
if x in a:
    Mr = "Mr" 
if x in b:
    Valu = "Valu"

if Mr == Valu:
    print(-1)
else:
    print(Mr+"Max"+Valu)