#!/usr/bin/perl -W
use strict;
use warnings;
print $_ = 'JUST ANOTHER WORDS SWAPPER'; ##origin
sub s_ {
($_) = @_;
$_ =~ s/([A-Z][A-Za-z]+) ([A-Z][A-Za-z]+) ([A-Z][A-Za-z]+) ([A-Z][A-Za-z]+)/$4 $3 $2 $1/;
}
&s_($_);
print ' + '.$_.' + '; ##swapped
IyEvdXNyL2Jpbi9wZXJsIC1XCgp1c2Ugc3RyaWN0Owp1c2Ugd2FybmluZ3M7CgpwcmludCAkXyA9ICdKVVNUIEFOT1RIRVIgV09SRFMgU1dBUFBFUic7ICMjb3JpZ2luCgpzdWIgc18gewoJKCRfKSA9IEBfOwoJJF8gPX4gcy8oW0EtWl1bQS1aYS16XSspIChbQS1aXVtBLVphLXpdKykgKFtBLVpdW0EtWmEtel0rKSAoW0EtWl1bQS1aYS16XSspLyQ0ICQzICQyICQxLzsKCXJldHVybiAkXzsKCX0KCQoJJnNfKCRfKTsKCXByaW50ICcgKyAnLiRfLicgKyAnOyAjI3N3YXBwZWQKCXByaW50IHNwbGl0KC8vLHJldmVyc2UgJF8pOyAjI3JldmVyc2VkCg==