use std::io::Read;

fn main() {
	let mut s = String::new();
	std::io::stdin().read_to_string(&mut s).ok();
	let d: Vec<usize> =
		s.split_whitespace().skip(1).flat_map(str::parse).collect();
	for d in d {
		println!("{}{}", if d == 1 { "10" } else { "9" }, "0".repeat(d - 1))
	}
}