fn main() {
    use std::env;

    let nums: Vec<i32> = env::args().into_iter().skip(1).map(|s| s.parse::<i32>().unwrap()).collect();
    match (nums[0] * nums[1]) % 2 == 0 {
        true => println!("Even"),
        false => println!("Odd"),
    }
}