static void Main(string[] args)
{
Primes p = new Primes();
using (StreamReader reader = File.OpenText(args[0]))
while (!reader.EndOfStream)
{
string line = reader.ReadLine();
if (line == null) continue;
int[] range = line.Split(',').Select(x => int.Parse(x)).ToArray();
Console.WriteLine(p.GetPrimeCount(range));
}
}