Roman Numerals

	Basic Values
I	1
V	5
X	10
L	50
C	100
D	500
M	1000

Basic Rules for Combining Characters
If a lower value comes after a higher value, add them.
If a lower value comes before a higher value, subtract the lower value from the higher one.

	Some Examples
I	1
II	2
III	3
IV	4
V	5
VI	6
VII	7
VIII	8
IX	9
X	10
XI	11
XIV	14
XV	15
XVI	16
XIX	19
XX	20
XXIX	29
XXX	30
XL	40
XLVII	47
XLIX	49
L	50
LI	51
LIV	54
LIX	59
LX	60
LXXX	80
XC	90
XCIX	99
C	100
CI	101
CXIX	119
CLXXXVII	187
CXCIX	199
CC	200
CD	400
D	500
CM	900
CMXCIX	999
M	1,000
MM	2,000
MMIII	2,003
MMMCCIV	3,204
MMMDCCXXXVIII	3,738