using System;

public class Program

{

    public static void Main()

    {

        int c , r ;

        Console.WriteLine("Number of rows: ");

        int rows = int.Parse(Console.ReadLine());

        Console.WriteLine();

        for (r = 1 ; r <= rows; r++)

             {

                 for (c = 1; c <=r; c++) {

                     Console.Write(r);

                     Console.Write("\t");

                 } Console.WriteLine("\n");

            Console.WriteLine();

            }

        for (r = 1 ; r <= rows; r++)

             {

                 for (c = 1; c <=r; c++) {

                     Console.Write(c);

                    Console.Write("\t");

                 } Console.WriteLine("\n");

        }

                      Console.ReadLine();

    }

}