using System; class Program { public static void Main(string[] args) { int number = 1; while (number

using System;
class Program
{
  public static void Main(string[] args)
  {
  int number = 1;
  while (number <=>
    {
      Console.WriteLine(number);
    number = number + 1;
    }
  }
}

this code is written in C# to count from 1-1000. how can more code be added to this to add up every single number from 1-1000?