Enter Number For Check Palindrom Or Not

echo "Enter Number For Check Palindrom Or Not:->";
read no
b=$no;
s=0;
until [ $no -le 0 ]
do

    a=$(($no%10))
    s=$(($s*10))
    s=$(($s+$a))
    no=$(($no/10))

done
echo $s;
echo $b;
if ((s==b))
then   
    echo "Palindrom";
else
    echo "Not Palidrom";
fi