fn main() {
    let a: i32 = read();
    let b: i32 = read();

    let ans = if (a * b) % 2 == 0 { "Even" } else { "Odd" };

    println!("{}", ans);
}

fn read<T: std::str::FromStr>() -> T {
    let mut s = String::new();
    std::io::stdin().read_line(&mut s).ok();
    s.trim().parse().ok().unwrap()
}