using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
using System.Runtime.Intrinsics.Arm;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static long[] LList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => long.Parse(ReadLine())).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var a = NList;
        var b = NList;
        var mr = a.Any(ai => ai == c[0]);
        var valu = b.Any(bi => bi == c[0]);
        if (mr && valu) WriteLine("MrMaxValu");
        else if (mr) WriteLine("MrMax");
        else if (valu) WriteLine("MaxValu");
        else WriteLine(-1);
    }
}