#!/usr/bin/perl -w

use strict;

my $line;
my $package;
my $jars;
my $dependencies;

while ($line = <>) {
  chomp $line;
  next if ($line =~ /^\s*\#/);
  next if ($line =~ /^\s*$/);  
  ($package, $jars) = $line =~ /^([^\s]+)\s+(.*)/;
  $dependencies .= ",$package";
}
$dependencies =~ s/^,//;

print "$dependencies\n";