Time Conversion

Convert 12-hour AM/PM time to 24-hour. Input like 07:05:45PM, output 19:05:45.

Input

A single string s in 12-hour format (hh:mm:ssAM or hh:mm:ssPM).

Output

24-hour string (HH:mm:ss).

Sample

07:05:45PM

Expected

19:05:45