2a.php

<?php

    $input = array("forward 8", "forward 3", "forward 8", "down 6", "forward 3", "up 6", "down 3", "down 8", "down 5", "down 1", "down 4", "up 4", "forward 7", "forward 7", "down 8", "forward 8", "forward 2", "forward 4", "forward 6", "down 2", "forward 1", "down 2", "down 6", "up 4", "forward 4", "forward 4", "down 1", "down 1", "forward 8", "down 9", "forward 4", "down 4", "forward 9", "down 9", "forward 7", "forward 4", "forward 4", "down 7", "forward 9", "up 5", "forward 7", "forward 4", "up 5", "up 6", "down 9", "forward 3", "forward 3", "forward 5", "up 3", "forward 8", "down 9", "forward 3", "forward 5", "down 2", "forward 7", "forward 8", "forward 8", "up 3", "down 9", "forward 2", "forward 5", "forward 4", "up 1", "down 3", "forward 7", "forward 4", "up 3", "down 8", "up 8", "forward 7", "forward 7", "down 2", "down 7", "forward 3", "forward 1", "down 7", "down 4", "down 9", "forward 5", "down 9", "up 8", "down 9", "down 7", "forward 2", "down 5", "down 6", "forward 3", "forward 2", "forward 3", "forward 2", "down 4", "up 1", "forward 6", "down 2", "forward 2", "down 5", "up 1", "up 8", "forward 5", "forward 6", "up 8", "down 4", "forward 4", "down 3", "forward 5", "forward 5", "forward 8", "forward 3", "up 1", "down 9", "up 4", "up 5", "down 3", "down 9", "up 6", "down 1", "down 2", "down 3", "down 6", "up 5", "forward 9", "forward 6", "forward 6", "forward 4", "forward 7", "up 6", "down 2", "down 9", "down 9", "forward 4", "down 9", "forward 2", "down 4", "down 8", "down 3", "up 1", "down 2", "down 7", "down 1", "down 5", "up 5", "forward 3", "forward 2", "down 2", "up 4", "up 9", "forward 5", "up 9", "down 9", "forward 1", "down 4", "forward 6", "down 2", "forward 7", "forward 2", "down 6", "forward 9", "down 9", "down 8", "forward 7", "down 3", "down 3", "down 5", "forward 5", "up 9", "up 5", "down 1", "forward 9", "down 3", "down 6", "forward 3", "up 4", "up 1", "down 3", "down 1", "up 6", "forward 4", "up 4", "forward 5", "down 3", "down 5", "forward 4", "down 1", "up 6", "down 5", "forward 1", "forward 6", "down 5", "forward 1", "forward 4", "forward 2", "down 1", "down 3", "down 9", "down 9", "down 8", "forward 4", "down 5", "forward 6", "up 6", "down 3", "forward 1", "down 9", "forward 4", "down 2", "up 5", "down 4", "forward 1", "forward 2", "down 6", "forward 3", "down 9", "forward 6", "forward 1", "forward 7", "up 1", "up 7", "up 2", "forward 4", "up 3", "down 4", "up 1", "down 3", "forward 1", "down 5", "up 6", "forward 6", "forward 6", "up 3", "up 2", "down 8", "down 2", "down 2", "down 7", "forward 8", "up 2", "up 2", "up 5", "down 6", "up 3", "down 9", "forward 7", "down 7", "forward 8", "forward 2", "forward 5", "up 5", "up 1", "forward 5", "up 2", "up 3", "up 2", "up 3", "down 3", "down 2", "forward 1", "up 1", "down 4", "up 8", "forward 5", "down 9", "forward 8", "up 1", "forward 7", "forward 7", "up 7", "up 6", "up 6", "down 5", "down 3", "up 4", "up 1", "down 9", "down 9", "forward 4", "down 7", "forward 2", "forward 8", "forward 1", "down 9", "forward 2", "forward 5", "up 5", "down 5", "down 6", "forward 1", "down 4", "forward 9", "up 3", "down 4", "forward 7", "forward 1", "forward 3", "forward 6", "down 1", "forward 3", "up 5", "up 6", "down 3", "forward 5", "forward 8", "forward 4", "down 9", "forward 2", "forward 4", "down 8", "forward 6", "down 7", "up 7", "forward 1", "down 8", "forward 5", "forward 7", "up 3", "forward 7", "forward 2", "up 5", "forward 3", "down 4", "up 5", "down 6", "up 6", "forward 6", "up 1", "up 7", "up 8", "forward 4", "down 6", "down 8", "up 8", "down 2", "forward 3", "forward 9", "down 9", "down 6", "down 2", "up 4", "forward 5", "forward 6", "forward 5", "down 5", "forward 5", "down 2", "down 9", "down 3", "down 4", "forward 2", "forward 7", "down 7", "down 2", "down 4", "down 8", "up 6", "down 7", "forward 2", "up 6", "forward 6", "down 4", "up 8", "forward 1", "up 2", "forward 6", "forward 7", "down 2", "down 4", "down 3", "down 2", "forward 5", "down 4", "forward 6", "forward 6", "down 8", "forward 7", "forward 1", "forward 1", "forward 4", "forward 7", "forward 8", "down 2", "forward 9", "up 7", "forward 1", "down 1", "forward 2", "forward 2", "up 4", "forward 3", "down 1", "down 4", "down 3", "forward 8", "forward 8", "forward 9", "forward 4", "down 6", "up 6", "up 7", "up 7", "down 1", "up 1", "up 9", "up 7", "down 9", "forward 4", "up 8", "down 5", "up 3", "down 2", "forward 4", "forward 6", "up 7", "up 2", "down 5", "down 3", "down 9", "forward 1", "down 1", "down 6", "down 3", "forward 9", "down 3", "up 6", "up 4", "up 6", "down 6", "up 7", "down 5", "up 4", "up 3", "up 3", "up 2", "forward 1", "forward 5", "forward 8", "down 2", "up 9", "forward 6", "forward 8", "up 3", "down 3", "forward 7", "forward 4", "down 7", "up 2", "down 1", "down 5", "forward 8", "down 6", "down 2", "down 9", "down 5", "up 7", "up 5", "forward 7", "down 8", "down 5", "forward 7", "up 5", "up 1", "down 4", "forward 1", "up 3", "forward 7", "forward 9", "down 7", "forward 4", "down 9", "down 2", "up 2", "forward 2", "down 6", "forward 3", "down 5", "up 8", "forward 5", "up 5", "forward 1", "down 4", "forward 7", "down 8", "forward 7", "up 2", "forward 1", "forward 2", "down 7", "forward 7", "forward 5", "up 3", "down 8", "forward 8", "up 6", "up 2", "forward 9", "down 7", "up 6", "down 1", "up 5", "forward 4", "forward 9", "forward 6", "forward 3", "forward 3", "forward 1", "forward 8", "down 6", "forward 3", "up 2", "up 6", "down 3", "down 7", "forward 5", "down 2", "up 9", "up 3", "down 1", "down 3", "up 7", "up 5", "down 6", "down 5", "up 2", "down 1", "down 2", "forward 1", "down 1", "forward 1", "down 1", "up 5", "up 4", "forward 1", "down 7", "forward 4", "down 6", "forward 2", "forward 1", "forward 4", "forward 9", "down 7", "forward 7", "down 7", "down 5", "forward 7", "forward 3", "forward 8", "up 4", "forward 9", "down 1", "down 9", "forward 3", "down 7", "forward 1", "forward 8", "up 7", "forward 5", "down 8", "forward 3", "forward 6", "forward 6", "up 5", "forward 7", "up 3", "down 9", "forward 4", "forward 4", "forward 1", "down 2", "down 9", "forward 8", "forward 8", "down 9", "forward 5", "up 4", "down 6", "forward 3", "up 4", "down 5", "down 2", "down 3", "down 2", "up 1", "up 9", "up 3", "forward 5", "forward 7", "down 1", "down 5", "up 1", "forward 8", "down 5", "forward 8", "forward 8", "down 2", "forward 2", "forward 7", "forward 3", "forward 6", "up 9", "down 3", "forward 7", "down 5", "forward 3", "up 1", "down 3", "down 9", "forward 5", "forward 5", "up 5", "down 3", "down 3", "up 1", "forward 6", "up 1", "up 6", "forward 5", "down 3", "down 9", "forward 1", "down 5", "up 5", "down 7", "down 7", "down 6", "down 2", "up 7", "down 3", "forward 2", "up 6", "down 2", "forward 6", "forward 9", "down 6", "down 4", "down 5", "down 7", "forward 9", "up 2", "down 2", "down 4", "forward 4", "down 9", "forward 3", "forward 8", "forward 6", "up 5", "down 2", "down 7", "forward 7", "up 6", "down 4", "up 8", "forward 2", "down 8", "forward 7", "up 8", "up 5", "up 8", "down 1", "forward 4", "forward 7", "down 5", "forward 1", "forward 5", "down 9", "down 6", "up 8", "up 5", "down 7", "down 4", "forward 4", "forward 2", "forward 4", "down 1", "up 4", "down 5", "down 4", "up 5", "forward 2", "up 3", "down 9", "down 1", "down 4", "up 1", "up 7", "down 5", "forward 9", "down 5", "down 7", "down 2", "down 8", "forward 7", "down 5", "down 6", "forward 3", "down 8", "down 5", "down 9", "up 6", "up 2", "down 9", "down 6", "down 7", "forward 8", "down 8", "forward 4", "up 8", "forward 3", "down 2", "up 2", "forward 4", "down 9", "down 2", "up 6", "down 4", "forward 6", "down 7", "forward 5", "forward 4", "down 3", "up 6", "forward 7", "forward 1", "up 6", "down 6", "forward 5", "forward 3", "down 8", "up 8", "up 8", "forward 5", "forward 1", "up 1", "forward 3", "up 6", "forward 2", "down 8", "forward 8", "up 8", "forward 1", "forward 6", "forward 8", "up 7", "up 3", "forward 8", "forward 5", "down 4", "down 4", "forward 8", "up 1", "forward 5", "down 9", "forward 2", "down 2", "down 3", "forward 1", "down 2", "up 3", "down 1", "up 1", "up 1", "forward 8", "forward 5", "forward 2", "up 1", "down 9", "up 7", "down 1", "forward 9", "up 4", "forward 5", "forward 5", "forward 8", "down 1", "forward 3", "forward 4", "forward 8", "up 2", "forward 5", "down 8", "forward 5", "up 7", "forward 3", "forward 2", "forward 3", "up 7", "up 4", "up 9", "forward 7", "forward 1", "up 6", "up 5", "down 8", "forward 3", "down 5", "forward 7", "forward 3", "up 9", "forward 9", "forward 7", "up 2", "down 7", "forward 4", "down 9", "up 8", "up 3", "down 4", "down 1", "forward 4", "up 3", "down 6", "down 2", "forward 8", "up 1", "forward 5", "up 7", "down 5", "forward 9", "forward 6", "forward 9", "down 3", "up 8", "forward 6", "forward 4", "forward 2", "forward 2", "down 8", "up 5", "down 4", "down 6", "forward 3", "forward 6", "forward 1", "forward 3", "down 8", "down 5", "up 3", "down 1", "down 7", "forward 8", "forward 1", "down 6", "down 9", "forward 2", "up 5", "down 6", "up 6", "down 5", "down 8", "forward 1", "down 3", "forward 1", "forward 8", "forward 2", "down 4", "forward 1", "down 6", "down 6", "forward 3", "up 7", "forward 5", "up 1", "up 4", "forward 7", "forward 1", "down 5", "forward 2", "down 1", "forward 4", "forward 2", "forward 5", "up 2", "up 1", "forward 2", "down 4", "down 5", "forward 6", "forward 1", "down 7", "down 6", "down 2", "forward 5", "forward 6", "up 8", "up 6", "forward 2", "forward 6", "down 9", "down 4", "forward 1", "down 3", "down 1", "up 4", "down 8", "forward 3", "down 5", "up 4", "down 5", "up 3", "down 1", "down 1", "down 9", "forward 8", "up 8", "down 2", "forward 9", "down 8", "down 4", "up 4", "up 9", "up 4", "forward 8", "forward 9", "forward 3", "forward 2", "down 2", "forward 5", "down 6", "down 2", "down 9", "forward 3", "up 4", "forward 8", "up 9", "forward 2", "forward 1", "down 3", "up 1", "up 7", "down 3", "up 2", "down 2", "up 2", "forward 4", "down 7", "forward 2", "forward 4", "forward 3", "down 6", "forward 4", "down 3", "forward 2", "down 1", "up 4", "down 8", "up 3", "forward 4", "up 6", "forward 5", "forward 3", "forward 1", "up 2", "forward 4", "forward 7", "down 3", "forward 9", "up 7", "down 9", "forward 2", "forward 4", "down 9", "down 1", "up 3", "forward 2", "forward 7", "down 7", "forward 9", "forward 5", "forward 7", "forward 2", "forward 3", "forward 4", "forward 5", "forward 6", "down 1", "forward 8", "down 4", "down 6", "up 8", "up 5", "forward 5", "down 9", "down 2", "down 2", "forward 7", "forward 8", "up 8", "down 4", "up 5", "forward 1", "down 5", "forward 3", "up 3", "down 6", "forward 5", "up 3", "up 5", "forward 4", "forward 2", "up 6", "down 9", "forward 7");
    $x = 0;
    $y = 0;

    foreach ($input as $row) {
        $split_row = explode(" ", $row);
        if($split_row[0] == "forward") {
            $x = $x + $split_row[1];
        } elseif($split_row[0] == "down") {
            $y = $y + $split_row[1];
        } elseif($split_row[0] == "up") {
            $y = $y - $split_row[1];
        }
    }
    echo $x * $y;

?>