<?php
class Song
{
    protected $artist;
    protected $song;
    protected $length;
    /**
     * Song constructor.
     * @param $artist
     * @param $song
     * @param $length
     * @throws Exception
     */
    public function __construct($artist, $song, $length)
    {
        $this->setArtist($artist);
        $this->setSong($song);
        $this->setLength($length);
    }
    /**
     * @return mixed
     */
    public function getArtist()
    {
        return $this->artist;
    }
    /**
     * @param mixed $artist
     * @throws Exception
     */
    public function setArtist($artist): void
    {
        if (strlen($artist) < 3 || strlen($artist) > 20 ){
            throw new Exception('Artist name should be between 3 and 20 symbols.');
        }
        $this->artist = $artist;
    }
    /**
     * @return mixed
     */
    public function getSong()
    {
        return $this->song;
    }
    /**
     * @param mixed $song
     * @throws Exception
     */
    public function setSong($song): void
    {
        if (strlen($song) < 3 || strlen($song) > 30){

            throw new Exception('Song name should be between 3 and 30 symbols.');
        }
        $this->song = $song;
    }
    /**
     * @return mixed
     */
    public function getLength()
    {
        return $this->length;
    }
    /**
     * @param mixed $length
     * @throws Exception
     */
    public function setLength($length): void
    {
        $time = explode(':', $length);
        if(isset($time[0])&&is_numeric($time[0])){
            $minutes = $time[0];
            if ($minutes < 0 || $minutes > 14){
                throw new Exception('Song minutes should be between 0 and 14.');
            }
        }
        else{
            throw new Exception('Invalid song length.');
        }
        if(isset($time[1])&&is_numeric($time[1])){
            $seconds = $time[1];
            if ($seconds < 0 || $seconds > 59){
                throw new Exception('Song seconds should be between 0 and 59.');
            }
        }
        else{

            throw new Exception('Invalid song length.');
        }
//        var_dump($seconds);
        $total = $minutes * 60 + $seconds;
//        if ($total < 0 || $total > 899){
//            throw new Exception('Invalid song length.'.$total);
//        }


        $this->length = $total;
    }
}
$num = readline();
$total = 0;
$count = 0;
for ($i = 0; $i < $num; $i++){
    $input = explode(';', readline());
    $artist = $input[0];
    $songName = $input[1];
    $length = $input[2];
    try{
        $song = new Song($artist, $songName, $length);
        echo "Song added.\n";
        $count++;
        $total += $song->getLength();
    }
    catch (Exception $e){
        echo $e->getMessage() . "\n";
    }
}
echo "Songs added: " . $count . "\n";
$hours=gmdate("G", $total);
$mins=gmdate("i", $total);
$seconds=gmdate("s", $total);
echo "Playlist length: " . $hours."h ".$mins."m ".$seconds."s";