static void Main(string[] args)
{
Class1 Classtest = new Class1(",;");
int it = Classtest.AddCalc("[1;-2,3,4,5,6,7,8,9]");
Console.WriteLine("Hello World!: " + it);
String line = Console.ReadLine();
if (line != null)
{
Console.WriteLine(" " + line);
}
}