public static void Main()
{
List <DateTime> listOfDateTime = new List <DateTime>();
for (int i = 0; i < 2; i++)
{
string[] input = Console.ReadLine().Split().ToArray();
int year = int.Parse(input[0]);
int month = int.Parse(input[1]);
int day = int.Parse(input[2]);
DateTime currTime = new DateTime(year, month, day);
listOfDateTime.Add(currTime);
}
DateModifier dateModifier = new DateModifier();
long result = dateModifier.CalculateDate(listOfDateTime);
Console.WriteLine(result);
}
