use std::io::BufRead;

fn main() {
    let mut input = String::new();
    std::io::stdin().lock().read_line(&mut input).unwrap();
    let input: Vec<i32> = input.split_whitespace().map(|s| s.parse::<i32>().unwrap()).collect();
    match (input[0] * input[1]) % 2 == 0 {
        true => println!("Even"),
        false => println!("Odd")
    }
}