using System.Linq;
using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var x = int.Parse(line[0]);
        line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        line = Console.ReadLine().Trim().Split(' ');
        var b = Array.ConvertAll(line, int.Parse);
        Console.WriteLine(getAns(x, a, b));
    }
    static string getAns(int x, int[] a, int[] b)
    {
        var aa = a.Contains(x);
        var bb = b.Contains(x);
        if (aa && bb) return "MrMaxValu";
        if (aa) return "MrMax";
        if (bb) return "MaxValu";
        return "-1";
    }
}