#!/usr/bin/perl

use strict;

open(FILE, "<f.txt");
open(OUT, ">out.txt");
while(<FILE>) {
    my $str = "";
    chomp $_;
    if( 1 .. 4 ) {
        print OUT "$_\n";
        next;
    }
    while( $_ =~ m/(.)/g ) {
        if( $1 =~ m/(\^|\#)/ ) {
            $str .= "$1";
        } else {
            $str .= "$1$1";
        }
    }
    print "$str\n";
    print OUT "$str\n";
}
close(FILE);
close(OUT);