public static void Main()
var badValueDate = false;
if (!badValueDate && currentYear == year)
if (currentMonth > month)
if (!badValueDate && currentMonth == month)
Console.WriteLine("NEW WAY: " + badValueDate.ToString().ToUpper());
if (currentMonth > month)
else if (currentDay > day)
Console.WriteLine("OLD WAY: " + badValueDate.ToString().ToUpper());