use std::io::{self, Read};

fn main() {
    let mut s = String::new();
    let stdin = io::stdin();
    let mut stdin = stdin.lock();
    stdin.read_to_string(&mut s).unwrap();

    let mut args = s.split_whitespace();
    let a: isize = args.next().unwrap().parse().unwrap();
    let b: isize = args.next().unwrap().parse().unwrap();

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