The input will be a single line of text, that will be the string **s**.
Note thet the length of **s** will be no longer than 81 characters.
Output
The output will be a single line of text, that will show the encrypted message.
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.