#!/usr/bin/perl
$a=5;
$b=6;
print "\n The value of a and b before swap is --> $a,$b \n";
$a=$a+$b;
$b=$a-$b;
$a=$a-$b;
print "\n The value of a and b after swap is as follows:";
print "\n The value of a is ---->$a \n";
print "\n The value of b is----->$b \n";