Answer Posted / kirtiranjan sahoo

read -p "Enter any number : " no
rev=0
temp=$no
while [ $no -ne 0 ]
do
dig=$(( $no%10 ))
rev=$(( $rev+$dig*$dig*$dig ))
no=$(( $no/10 ))
done
if [ $rev -eq $temp ]
then
echo "Armstrong"
else
echo "Not Armstrong"
fi

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