fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();

    println!("{}", (0..=n/2).map(|i| i*2 + 1).map(|i| i.to_string()).collect::<Vec<String>>().join(" "));
}