triangle of numbers

using System;

namespace TriangleOfNums
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            for (int i = 1; i <=n; i++)
            {
                for (int j = 1; j <= i; j++)
                {
                    Console.Write(i);
                    Console.Write(' ');
                }
                Console.WriteLine();
            }


        }
    }
}