import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int t = sc.nextInt();
		label:
		for (int z = 0; z < t; z++) {
			int n = sc.nextInt();
			long a = 1;
			for (int i = 0; i < 18; i++) {
				a *= 10;
				if (a > n) {
					long b = a - n;
					StringBuilder sb = new StringBuilder();
					sb.append(b);
					sb.append(0);
					sb.append(0);
					System.out.println(sb.toString());
					continue label;
				}
			}
		}
		sc.close();
	}
}