static void Main(string[] args)
{
string firstDate = Console.ReadLine();
string secondDate = Console.ReadLine();
int days = DateModifier.GetDiffBetweenDatesInDays(firstDate, secondDate);
Console.WriteLine(days);
}
public static void Main()
{
//1992 05 31 8783
//2016 06 17
string firstD = Console.ReadLine();
string secondD = Console.ReadLine();
int days = DateModifier.GetDiffBetweenDatesInDays(firstD, secondD);
Console.WriteLine(Math.Abs(days));
}