Problem Given a time in 12-hour AM/PM format, convert it to military (24-hour) time.

Note

Midnight is 12:00:00AM on a 12-hour clock, and 00:00:00 on a 24-hour clock. Noon is 12:00:00PM on a 12-hour clock, and 12:00:00 on a 24-hour clock.

Input Format

A single string s containing a time…