use strict;
use warnings;
$| = 1;
print "One\n";
print STDERR "Two\n";
print "Three\n";
print "Four";
print "\n";
print STDERR "Five";
print STDERR "\n";
use strict;
use warnings;
$| = 1;
print "One\n";
print STDERR "Two\n";
print "Three\n";
print "Four";
print "\n";
print STDERR "Five";
print STDERR "\n";