use strict;
use warnings;

use myfirstaddin  ();
use mysecondaddin ();

if (defined $ARGV[0] && $ARGV[0] eq 'second'} {
   mysecondaddin->import('runonce');
} else {
   myfirstaddin->import('runonce');
}

print "hello world";
runonce();
myfirstaddin::runonce();
mysecondaddin::runonce();