use strict;
use warnings;

my @array;
while (my $name = <DATA>) {
    chomp $name;
    next unless length $name;
    my @t = split(/\./, $name);
    my $x = @t;
    my $iii = 10;
    my $string; 
    
    while ($iii < $x-1) {
        $string .= chr $t[$iii++];
    }
    push @array, $string;
}
print "$_\n" for @array;

__DATA__
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.100.97.110.115.117.101.18481153 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.100.97.110.115.117.101.18481154 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.100.97.110.115.117.101.18481155 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.100.97.119.110.105.103.18468865 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.100.97.119.110.105.103.18468866 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.103.105.108.98.111.105.18460673 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.103.105.108.98.111.105.18460674 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.103.105.108.98.111.105.18460675 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.101.114.116.114.97.18366465 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.101.114.116.114.97.18366466 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.101.114.116.114.97.18366467 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.111.97.104.117.114.18477057 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.111.97.104.117.114.18477058 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.111.97.104.117.114.18477059 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.117.100.110.111.114.18505729 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.117.100.110.111.114.18505730 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.106.117.100.110.111.114.18505731 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.115.116.101.104.111.112.18489345 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.115.116.101.104.111.112.18489346 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.115.116.101.104.111.112.18489347 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.119.97.108.97.100.108.18452481 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.119.97.108.97.100.108.18452482 = STRING:
iso.3.6.1.4.1.9.9.392.1.3.21.1.2.6.119.97.108.97.100.108.18452483 = STRING: