#829. Roman to Arabic
You get a Roman number (I, V, X, L, C, D, M). Print it as a normal (Arabic) number.
### Input
One line (between 1 and 3999).
### Output
A number.
Examples
Input
MMXXVI
Output
2026
Input
IX
Output
9
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.