static void Main(string[] args) { DateModifier dateModifier = new DateModifier(); string[] firstDate = Console.ReadLine() .Split(" ", StringSplitOptions.RemoveEmptyEntries); string[] secondDate = Console.ReadLine() .Split(" ", StringSplitOptions.RemoveEmptyEntries); Console.WriteLine(Math.Abs(dateModifier.DaysDifference(firstDate, secondDate))); }