Which statement replaces XXX and YYY in the PHP code to call the stored procedure below?

CREATE PROCEDURE GetTeacherLoad$($IN teachID INT$(6),$ OUT teacherLoadCount INT$)...$

$stmt $=$ $pdo$->$prepare$("$CALL GetTeacherLoad$($XXX$,$ YYY$)")$;

$stmt$->$bindValue$(1,32461)$;

$stmt$->$execute$()$;

$stmt $=$ $pdo$->$query$("$SELECT @teacherLoadCount AS count"$)$;

$row $=$ $stmt$->$fetch$()$;

echo "Teacher Load Count for $32461$ is $row$[$count$]"$;