only do if day… batch file

Question

hello i got a batch file, something like this:

if %day%==monday, tuesday, wednesday, thursday, friday (
goto yes
) else (
goto no
)

Now i know

Answer 1

IF %day% == monday GOTO YES
IF %day% == tuesday GOTO YES
IF %day% == wednesday GOTO YES
IF %day% == thursday GOTO YES
IF %day% == friday GOTO YES
GOTO NO