Class Task 32#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication12
{
    class Program
    {
        static void Main(string[] args)
        {
            int n, total = 0;
            Console.Write("N = ");
            n = int.Parse(Console.ReadLine());
            for (int i = n; i > 0; i--)
            {
                total = total + n;
                n--;
            }
            Console.Write("Sum is: " + total);
        }
    }
}