Input
The input will be a sequence of friends with their distance and the mean speed, ending with a dot.
Output
The output of the program is the list of friends and the time it takes for the message to arrive to them, ordered from shortest to longest.
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.