use std::collections::HashSet;
fn read_vec<T: std::str::FromStr>() -> Vec<T> {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().split_whitespace()
      .map(|e| e.parse().ok().unwrap()).collect()
}
fn main(){
    let mut a :Vec<i32> = read_vec(); 
    let (x, n, m) = (a[0],a[1],a[2]);
    let mut mt_max: HashSet<i32> = read_vec().into_iter().collect();
    let mut max_value: HashSet<i32> = read_vec().into_iter().collect(); 
    if mt_max.contains(&x) && max_value.contains(&x)
    { println!("MrMaxValu");  } else if mt_max.contains(&x)
    {
     println!("MrMax");    
    }
    else if max_value.contains(&x){
        println!("MaxValu"); 
    }else{ println!("{}", -1);  }
  
}