static void Main(string[] args)
{
int[] frirstInput = Console.ReadLine().Split().Select(int.Parse).ToArray();
int[] secondInput = Console.ReadLine().Split().Select(int.Parse).ToArray();
DateTime firstDate = new DateTime(frirstInput[0], frirstInput[1], frirstInput[2]);
DateTime secondDate = new DateTime(secondInput[0], secondInput[1], secondInput[2]);
DateModifier differenceBetweenTwoDates = new DateModifier();
differenceBetweenTwoDates.FirstDate = firstDate;
differenceBetweenTwoDates.SecondDate = secondDate;
Console.WriteLine(differenceBetweenTwoDates.Dates());
}