question about keyboard combinations

Feodor <[email protected]> Wed, 19 Feb 2025 13:10:37 +0300

Newsgroups	gmane.comp.gnu.screen.user
Message-ID	<[email protected]>

I prescribed
bindkey ^[[1;3D prev
bindkey ^[[1;3C next
in ~/.screenrc for switching between tabs with ALT+LEFT/RIGHT.
It works only with left ALT. What should I put in to make right ALT work 
similar?
I'm using st terminal.