Happy birthday to Me!
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Write a program that prints `Happy birthday to me!` on its birthday.

1. The program's birthday is the creation, last modification or compilation time of the program (you choose), and must not be hard-coded.
2. The date you use as the birthday must not be affected by the program's invocation or execution in any way. You can't modify your birthday.
3. For extra credit (-15% byte count), print `Happy birthday to you!` on your birthday (hard coded), [if it doesn't coincide](http://xkcd.com/680/) with the program's. Or use some celebrity's birthday and get -14%.
4. It must print only this, and not print anything on any other day.
5. Count bytes, in UTF-8.
6. Use the Gregorian calendar.

Good luck and happy birthday (to the newborn programs).

P.S.  

Following Izkata's comment, if you print `Happy birthday to Mel` on [Mel Kaye](http://www.catb.org/jargon/html/story-of-mel.html)'s birthday, you get 20% off. But you have to provide a credible source that it's this date.