Triangle of Numbers

using System;

namespace Unknown
{
    class Program
    {

        static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());
            for (int i = 1; i <=a; i++)
            {
                for (int k = 1; k <= i; k++)
                {

                    Console.Write(i+ " ");
                }
                Console.WriteLine();
            }
        }

    }
}