public static void Main()
Console.WriteLine("Enter a numbers bitween 100 - 999");
int days = int.Parse(Console.ReadLine());
int sumYear = days / year;
int sumMonth = days % year / month;
int sumDay = days - ((sumMonth * month) + (sumYear * year));
int sumDays = days % month;
Console.WriteLine("{0} Year\n{1} Month\n{2} Days", sumYear, sumMonth, sumDays);