using System;

public class Program

{

    public static void Main()

    {

Console.WriteLine("Jenifer Cardenas");

        Console.WriteLine("Introduce the max value for the sum: ");

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

        int sum = 0;

        int n = 1;

        while(sum < num){

            sum += n;

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

            n++;

        }

    Console.WriteLine("\nThe sum is {0}", sum); 

    Console.ReadLine();

    }

}

​