using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Vezba_6
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine("Unesi broj redova");
            var brRedova = System.Convert.ToInt32(Console.ReadLine());

            var brojac = 1;
            for (var i = 1; i <= brRedova; i++)
            {
                for (var j = 1; j <= i; j++)
                {
                    Console.Write("{0} ", brojac);
                    brojac++;
                }
                Console.WriteLine();
            }

            Console.ReadKey();
        }
    }
}