I can enter if but not execute statements inside

Do you really need these long indentificators?

Maybe it’s worth using, for example, room codes? For example, dormitory is code 1, and baja_persiana is code 33?

After all, this is a computer program; using names that are understandable to humans is completely unnecessary.

The longer your messages, the more likely it is that they will not be received completely in one turn of the loop.