import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        Scanner sc = new Scanner(System.in);
        int X = sc.nextInt();
        int N = sc.nextInt();
        int M = sc.nextInt();
        int A[] = new int[N];
        int B[] = new int[M];
        int mrflag = 0;
        int maflag = 0;
        for(int i=0;i<N;i++)
        {
            A[i] = sc.nextInt();
            if(A[i] == X)
            {
                mrflag = 1;
            }
        }
        for(int j=0;j<M;j++)
        {
            B[j] = sc.nextInt();
            if(B[j] == X)
            {
                maflag = 1;
            }
        }
        
        if(mrflag == 0 && maflag == 0)
        {
            System.out.println(-1);
        }
        else if(mrflag == 0 && maflag == 1)
        {
            System.out.println("MaxValu");
        }
        else if(mrflag == 1 && maflag == 0)
        {
            System.out.println("MrMax");
        }
        else if(mrflag == 1 && maflag == 1)
        {
            System.out.println("MrMaxValu");
        }
    }
}