fn main() {
    let s = {
        let mut s = String::new();
        std::io::stdin().read_line(&mut s).unwrap();
        s.trim_end().to_owned()
    };
    let (_n, _m) = {
        let mut ws = s.split_whitespace();
        let n: i32 = ws.next().unwrap().parse().unwrap();
        let m: i32 = ws.next().unwrap().parse().unwrap();
        (n, m)
    };
    let number = (_n * _m) % 2;
    let res = match number {
        0 => "Even",
        _ => "Odd",
    };
    println!("{}", res);
}