01. Number Pyramid

using System;

public class Program
{
    public static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        int num = 1;

        for (int row = 1; row <= n; row++)
        {
            for (int col = 1; col <= row; col++)
            {
                Console.Write(num + " ");
                num++;

                if (num > n)
                {
                    return;
                }
            }
            Console.WriteLine();
        }


    }

}