A Recreational Post System/Simple TCP

The receiver of a connection must not do anything without being asked.

To send messagges, write FORYOU message-count.
Then for each message, UNE line-count, and the message.

To receive messages, write ANYFORME?.
You will get a reply of HEREYOUGO message-count.
Then for each message, UNE line-count, and the message.

To close cleanly, write IMOFFNOW.
You will get a reply of OKSEEYA.