use strict;
use warnings;

open (FILE, "extract_tab.txt") or die "$!\n";

my %hash;
while (my $line = <FILE>) {
	chomp($line);
	my ($enu, $deu) = split /\t/, $line;
	
	$hash{$enu} = $deu;
}

for my $key (keys %hash) {
print "$key\n";
}
for my $value (values %hash) {
print "$value\n";
}