Number Pyramid

using System;

class Program
{
    static void Main(string[] args)
    {
        int n = int.Parse(Console.ReadLine());

        int lineLength = 1;
        int currentLineLength = 0;

        for (int i = 1; i <= n; i++)
        {
            Console.Write(i + " ");
            currentLineLength++;
            if (currentLineLength == lineLength)
            {
                Console.WriteLine();
                lineLength++;
                currentLineLength = 0;
            }
        }
    }
}