private static void Main(string[] args) { var info = new string[2]; Console.WriteLine("Welcome in Prime Numbers Generator!"); A1: Console.WriteLine("Plase enter how many numbers u want to generate"); info[0] = Console.ReadLine(); Console.WriteLine("Please enter how many bits should this numbers contain"); info[1] = Console.ReadLine(); var results = InputChecker.CheckInput(info); //info[0]- k info[1]-d if (results == null) { Console.WriteLine("Incorrect numbers. Please try again! "); goto A1; } /***************************************Input_Loaded*********************************************/ Console.WriteLine("Random Prime Numbers creation started!"); var gen = new Generator(); gen.PrepeareThreads(results[1], Tests, results[0]); gen.StartThreads(); Console.ReadKey(); }