Chronogram

Roman numeral letters (I=1, V=5, X=10, L=50, C=100, D=500, M=1000) in the text sum to a target number, typically a year.

Text

structural

algorithmic

★★★★★4/5

Source: Medieval and Renaissance tradition; Oulipo constraints

#chronogram

#numerals

#roman

#year

#sum

Operating level: document

Interactive Playground

ParameterNo configurable parameters

Sample Input

Output

Click "Apply" to test the constraint on your input.

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