use proconio::{fastout, input};

#[fastout]
fn main() {
    input! {
        x: u32,
        n: usize,
        m: usize,
        a: [u32; n],
        b: [u32; m],
    }

    println!("{}", output(solve(x, a, b)))
}

fn solve(x: u32, a: Vec<u32>, b: Vec<u32>) -> (bool, bool) {
    (a.into_iter().any(|a| a == x), b.into_iter().any(|b| b == x))
}

fn output(ans: (bool, bool)) -> &'static str {
    match ans {
        (true, false) => "MrMax",
        (false, true) => "MaxValu",
        (true, true) => "MrMaxValu",
        (false, false) => "-1",
    }
}