fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    let d = (0..n).map(|_| {
            let mut temp = String::new();
            std::io::stdin().read_line(&mut temp).ok();
            let temp: usize = temp.trim().parse().unwrap();
            temp
        })
        .collect::<Vec<_>>();

    for &v in d.iter() {
        println!("9{}", "0".repeat(v-1));
    }
}