import java.util.*;
import java.io.*;
import java.math.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int n = sc.nextInt();
        int m = sc.nextInt();
        String ans = "";
        for(int i = 0; i < n; i++){
            if(x == sc.nextInt()){
                ans += "MrMax";
                break;
            }
        }
        for(int i = 0; i < m; i++){
            if(x == sc.nextInt()){
                if(!ans.isEmpty()){
                    ans += "Valu";
                }else{
                    ans += "MaxValu";
                }
                break;
            }
        }
        if(!ans.isEmpty()){
            System.out.println(ans);
        }else{
            System.out.println(-1);
        }
    }
}