private static void StartProgram() { outPut = new OutPutClass(); input = new InPutClass(); read = new ReadClass(); calculator = new Calculator(); converterClass = new ConverterClass(); outPut.Show(input.Input(_pathWelcome)); string _userString = read.ReadString(); if (CheckForErrorString(_userString)) { return; } converterClass.ConvertTuple(calculator.Calculate(_userString)); input.WriteFile(_pathEnd, converterClass.ReturnString()); outPut.Show(input.Input(_pathEnd)); }