9 & 15
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They are: IV, XV and MMVIII respectively
They mean: 4, 4 and 15 respectively
XV is 15 in "roman" numerals.
Do you mean 15-04-12 if so then it is XV-IV-XII
XV is 15. IV is 4. MMXIV is 2014. 15/04/2014 is April 15, 2014.