#!/usr/bin/perl
use warnings;
use strict;
my $stopnow = 0;
until ($stopnow) {
    $_ = <STDIN>;
    chomp;
    if ($_) {
        my $sdrawkcab = reverse $_;
        print "$sdrawkcab\n";
    } else {
        $stopnow = 1;
    }
}
print "!enod llA\n";