use std::io::*;
use std::str::FromStr;

fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char) 
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}

fn main() {
    let a : u32 = read();
    let b : u32 = read();
    // let c : u32 = read();
    // let s : String = read();

    // println!("{} {}", a + b + c, s);

    println!("{}", if (a * b % 2) == 0 {"even"}else{"add"});
}
