Numbers in Interval Dividable by Given Number

using System;

class NumbersDividableByNumber
{
    static void Main()
    {
        int startNum = int.Parse(Console.ReadLine());
        int endNum = int.Parse(Console.ReadLine());
        int counter = 0;
        Console.Clear();
        for (int cnt = startNum; cnt <= endNum; cnt++ )
        {
            if(cnt % 5 == 0)
            {
                Console.Write(counter == 0 ? "{0}" : ",{0}", cnt);
                counter++;
            }
        }
        if(counter == 0)
        {
            Console.Write("-");
        }
        Console.WriteLine("\r\nCount: {0} numbers.", counter);
    }
}