Input
The input will be two lines, the first one will be a letter, M for men’s shoes and L for ladies’ shoes. The second line will be the EU size.
Output
The output will be the US size.
About statements
The official statement of a problem is always the one
in the PDF document. The HTML version of the statement
is also given to help you, but may contain some content
that is not well displayed. In case of doubt, always use the PDF.