using System;

public class Program

{

    public static void Main()

    {

        Console.Clear();

        Console.WriteLine("Aram Yael Avendaño Avendaño 1-E");

        Console.WriteLine("");

        Console.WriteLine("Introduce max value");

        int num=Convert.ToInt32(Console.ReadLine());

        int sum= 0;

        int n=1;

        do

        {

            sum+=n;

            Console.Write("{0} ",n);

            n++;

        }

        while(sum<num);

        Console.WriteLine("\n The sum is={0}",sum);

        Console.ReadLine();

    }

}