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

// This file is a "Hello, world!" in Java language by OpenJDK for wandbox.

class Main
{
	public static void main(String[] args)
	{
		new Main().run();
	}
	
	void run(){
		Scanner sc=new Scanner(System.in);
		HashSet<Integer> m1=new HashSet<>();
		HashSet<Integer> m2=new HashSet<>();
		int X=sc.nextInt();
		int N=sc.nextInt();
		int M=sc.nextInt();
		for(int i=0;i<N;++i)m1.add(sc.nextInt());
		for(int i=0;i<M;++i)m2.add(sc.nextInt());
		if(m1.contains(X)&&m2.contains(X)){
			System.out.println("MrMaxValu");
		}else if(!m1.contains(X)&&!m2.contains(X)){
			System.out.println(-1);
		}else if(m1.contains(X)){
			System.out.println("MrMax");
		}else if(m2.contains(X)){
			System.out.println("MaxValu");
		}else{
			throw new AssertionError();
		}
	}
	
	void tr(Object...o){System.out.println(Arrays.deepToString(o));}
}
// OpenJDK reference:
//   http://openjdk.java.net/

// Java language references:
//   http://docs.oracle.com/javase