#!/usr/bin/perl -w
use strict;

my @list= <DATA>;
@list= @list[
    map { unpack "N", substr($_,-4) }
    sort
    map {
        join "",
            ( $list[$_] =~
                m[(\d+)/(\d+)/(\d+):([\d:]+)]
            )[2,1,0,3],
            pack "N", $_;
    } 0..$#list
];
print @list;
__END__
G: CCCCC-01 :ADD : ORDER PROCESSED : *** OK ***:08/30/2003:14:24:58
G: CCCCC :MODIFY : ORDER PROCESSED : *** OK ***:08/28/2003:14:24:58
G: CCCC1 :ADD : ORDER PROCESSED : *** OK ***:08/29/2003:14:49:54