use std::io::*; use std::str::FromStr; use std::collections::BTreeSet; fn read() -> T { let stdin = stdin(); let stdin = stdin.lock(); let token: String = stdin .bytes() .map(|c| c.expect("failed to read char") as char) .skip_while(|c| c.is_whitespace()) .take_while(|c| !c.is_whitespace()) .collect(); token.parse().ok().expect("failed to parse token") } fn main() { let n: u8 = read(); for i in 0..n { for _ in 0..n { print!("{}", (i + 1) % 10); } } println!(""); }