let n = readLine()!.split(separator:" ").map{Int($0)!}[0]
let a = readLine()!.split(separator:" ").map{Int($0)!}
let b = readLine()!.split(separator:" ").map{Int($0)!}
var v = 0
v += a.contains(n) ? 1 : 0
v += b.contains(n) ? 2 : 0
print([-1,"MrMax","MaxValu","MrMaxValu"][v])