#[allow(unused_imports)]
use std::{
    collections::*,
    cmp::*,
    mem::swap,
    time::Instant,
    io::{self, stdin, Read, read_to_string},
    hash::Hash,
};
#[allow(unused_imports)]
use proconio::{input, input_interactive, marker::{*}};
#[allow(unused_imports)]
//use rand::{thread_rng, Rng, seq::SliceRandom};
#[allow(unused_imports)]
//use ac_library::{*};

#[allow(dead_code)]
const INF: i64 = 1<<61;
#[allow(dead_code)]
const MOD: i64 = 998244353;
#[allow(dead_code)]
const D: [(usize, usize); 4] = [(1, 0), (0, 1), (!0, 0), (0, !0)];

//use proconio::fastout;
//#[fastout]
fn main(){
    input!{
        m: usize,
    }
    let s = Instant::now();
    while s.elapsed().as_secs_f64() < m as f64*0.04{}
    println!("odd");
}