Untitled

<!DOCTYPE html>
<html lang="en">
<head>
    <title>Title</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <style>
    </style>

</head>
<body id="body">
    <script>
        // input
        /* ... */

        // algorithm
        /* ... */

        // output
        /* ... */
    </script>
</body>
</html>