using System;

public class Program

{

    public static void Main()

    {

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

        for (int i = 1; i <= input; i++)

        {

         for (int k = 1; k <= i; k=i)

         {

          Console.Write($"{k} ");

         }

            Console.WriteLine();

        }

    }

}