05. Walking

<?php

$goal = 10000;
$totalSteps = 0;

while ($totalSteps < $goal) {
    $command = readline();
    if ($command == "Going home") {
        $currentSteps = intval(readline());
        $totalSteps += $currentSteps;
        break;
    }
    $currentSteps = intval($command);
    $totalSteps += $currentSteps;
}

if ($totalSteps >= $goal) {
    echo "Goal reached! Good job!";
} else {
    echo ($goal - $totalSteps) . " more steps to reach goal.";
}