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

    if n == 1 {
        println!("1");
    } else {
        let mut answer = vec![];
        for i in 0..n {
            answer.extend([char::from_digit(i, 10).unwrap()].repeat(n as usize));
        }
        answer.reverse();

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

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