Roman numerals

Use the substitutions on top to convert unary to Roman numerals.

Input

IIIII,V
IIII,IV
VV,X
VIV,IX
XXXXX,L
XXXX,XL

III
IIII
IIIII
IIIIIII
IIIIIIIII
IIIIIIIIII
IIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
 vim: set gdefault:

Output

IIIII,V
IIII,IV
VV,X
VIV,IX
XXXXX,L
XXXX,XL

III
IV
V
VII
IX
X
XVIII
XXI
XXXIX
XL
XLIV
L
LXIV
 vim: set gdefault: