Chef and Meetings

A *time* is a string in the format `"HH:MM AM"` or `"HH:MM PM"` (without quotes), where `HH` and `MM` are always two-digit numbers. A day starts at 12:00 AM and ends at 11:59 PM. You may refer [here](https://simple.wikipedia.org/wiki/12-hour_clock) for understanding the 12-hour clock format. Chef has scheduled a meeting with his friends at a time $P$. He has $N$ friends (numbered $1$ through $N