import java.util.Scanner;

public class MultTable {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int num = sc.nextInt();

        for (int i=0; i<num; ++i) {
            System.out.printf("%4d", i);
        }
        System.out.println();
        for (int i=0; i<num*4; ++i) {

            System.out.print("_");
        }
        for (int i=0; i<num; ++i) {
            if (i==0) {
                System.out.printf("%8d", i);
            } else {
                System.out.printf("%4d", i);k
            }
            for (int j=0; j<num; ++j) {
                System.out.printf("%4d", (i*j)%num);
            }
            System.out.println();
        }
    }

}