#!/usr/bin/perl

use strict;
use warnings;

my %all = map{$_, $_} do{local @ARGV = shift; <>};

%all = map{$_, $_} grep defined, @all{do{local @ARGV = $_; <>}} for @ARGV;

print sort keys %all;

##</code><code>##

ID121 ABC14
ID122 EFG87
ID157 TSR11