Roman Sum

history.com

history.com

You thought summation was easy, until you accidentally time-traveled to ancient Rome and you have to deal with arithmetic such as

\[\mathtt{CCVII+CXXIII=CCCXXX}\]

Fortunately, you brought a roman numeral cheatsheet.

IVXLCDM
1510501005001000

This file contains 100 space-separated roman numerals. What is the sum of all these numbers written in decimal representation?

Notes:

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