Hi starface245,
from your code:

.....
 if ($line =~ /(address............)/) #13 dots for 13characters
 {
  my @values = split(' ', $line);


  foreach my $val (@values) {
    print "$val\n";    
 }    
 ......
[download]

your foreach loop will only print out the following:

address
6433
main
st
address
6434
main
st
address
6435
main
st
[download]

Thanks to the split function used to create array @values
Atleast, this is one of the many reasons, why you can't insist on your "ways" when asking for help.
However, If you must but have the same code structure, then I believe the script below could help:

#!/usr/bin/perl
use warnings;
use strict;

my @values; 

while (<DATA>) {
    my ($line) = $_;
    chomp($line);
    if ( $line =~ m/^address/ ) {
        push @values, split( ' st ', $line );
    }
    else {
        print $line, $/;
    }
}

print $_, ' st', $/ foreach @values;

__DATA__
This is the list of address
here are the addreses
address 6433 main st address 6434 main st address 6435 main st
[download]

OUTPUT:

This is the list of address
here are the addreses
address 6433 main st
address 6434 main st
address 6435 main st
[download]