<?php
$firstArray = explode(" ", readline());
$secondArray = explode(" ", readline());

for ($i = 0; $i < count($secondArray); $i++) {
    for ($j = 0; $j < count($firstArray); $j++) {
        if ($secondArray[$i] === $firstArray[$j]) {
            echo "$secondArray[$i] ";
        }
    }
}