fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: u32 = n.trim().parse().unwrap();

    let mut answer = vec!['3'];
    answer.extend([' ', '1'].repeat(n as usize - 2));
    answer.extend([' ', char::from_digit(3 - n % 3, 10).unwrap()]);

    let answer: String = answer.iter().collect();

    println!("{}", answer);
}