use proconio::{fastout, input};

#[fastout]
fn main() {
    input! {
        n: usize
    }

    println!("{}", output(solve(n)));
}

fn solve(n: usize) -> String {
    if n == 1 {
        String::from("1")
    } else {
        (0..n)
            .rev()
            .map(|x| String::from((x as u8 + b'0') as char).repeat(n))
            .collect()
    }
}

fn output(ans: String) -> String {
    ans
}