#!perl -lp $==$_,s!.!y$IVCXL91-I0$XLMCDXVIII$dfor$_[$=].=4x$&%1859^7;5!egfor+0..3999;@&{@_}=0..@_;y/il-z/-+/d;s/\w+/$&{$&}/g;$_=$_[eval]