public void VerifyLoginAndPassword() { // get data from user string name = GetDataHelper.GetNameFromUser(); string password = GetDataHelper.GetPasswordFromUser(); // verify user bool validUser = this.userService.VerifyUser(name, password); if (validUser) { ProgramBranch.SelectFirstStepForAuthorizedUser(); } else { Console.WriteLine("User with such data does not exist"); Thread.Sleep(4000); ProgramBranch.StartApplication(); } }