import java.util.Scanner;
import java.io.PrintStream;

public class Main {
    public static void main(String[] args) throws java.io.UnsupportedEncodingException {
        PrintStream ps = new PrintStream(System.out, true, "UTF-8");
        Scanner in = new Scanner(System.in);
        int a = in.nextInt();
        for (int i = 1; i <= a; i++) {
            if (i != 1) {
                ps.println();
            }
            for (int j = 1; j <= i; j++) {
                ps.print(j + "x" + i + "=" + (i * j) + "\t");
            }
        }
    }
}