Roman numerals
easy
Read a Roman numeral (I, V, X, L, C, D, M; up to 3999). Print its value.
Example 1: input
III
Output
3
Example 2: input
LVIII
Output
58
Plus 3 hidden tests when you check your answer.
Your solution
Read from standard input and print the answer. Run it on the examples as often as you like, then check it against every test.
Stuck?
Open hints one at a time. The write-up explains a full solution.
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