import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int n = sc.nextInt();
        int m = sc.nextInt();
        String ans = "Max";
        for (int i = 0; i < n; i++) {
            if (x == sc.nextInt()) {
                ans = "Mr" + ans;
            }
        }
        for (int i = 0; i < m; i++) {
            if (x == sc.nextInt()) {
                ans = ans + "Valu";
            }
        }
        if (ans.equals("Max")) {
            ans = "-1";
        }
        
        System.out.println(ans);
    }
}