---

public class Squares {
    public static void main(String[] args) {
        for (int i = 1; i <= 10; i++) {
            System.out.print(i * i);
            if (i < 10) {
                System.out.print(" ");
            }
        }

        System.out.println();

        for (int i = 10; i <= 19; i++) {
            System.out.print(i * i);
            if (i < 19) {
                System.out.print(" ");
            }
        }
        System.out.println();
    }
}