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| 1 | #!/bin/sh | |
| 2 | printf "Enter a number\n" | |
| 3 | read c | |
| 4 | x=$c | |
| 5 | s=0 | |
| 6 | - | r=0 |
| 6 | + | |
| 7 | do | |
| 8 | r=`expr $x % 10` | |
| 9 | s=`expr $sum + $r * $r * $r` | |
| 10 | - | n=`expr $r \* $r \* $r` |
| 10 | + | |
| 11 | - | s=`expr $sum + $n` |
| 11 | + | |
| 12 | if [ $s -eq $c ] | |
| 13 | then | |
| 14 | echo "It is an armstrong number" | |
| 15 | else | |
| 16 | echo "It is not an armstrong number" | |
| 17 | fi |
