using System;
using System.Collections.Generic;
public class Program
{
public static void Main()
List<int> maliste = new List<int>();
int somme=0;
int n;
while(true)
Console.Write("Nombre :");
n=Convert.ToInt32(Console.ReadLine());
if(n==0)
break;
if(n>=2000)
maliste.Add(n);
}
foreach(int x in maliste)
somme +=x;
Console.WriteLine("Somme =" +somme);