using System;

using System.Collections.Generic;

​

public class Program

{

    public static IEnumerable<int> GetIntsDivisible(int start, int finish, int divisor)

    {

        for (var i = start; i <= finish; i++)

            if (i % divisor == 0)

                yield return i;

    }

​

    public static void Main()

    {

        Console.WriteLine(string.Join(", ", GetIntsDivisible(1, 3800, 500)));

    }

}