[НП] - Преводи

import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

class Subtitle{
    private int num;
    private String startTime;
    private String endTime;
    private List<String> text;

    public Subtitle(int num, String startTime, String endTime, List<String> text) {
        this.num = num;
        this.startTime = startTime;
        this.endTime = endTime;
        this.text = text;
    }

    public int timeInMs(String time){
        String [] parts = time.split(":");
        int hours = Integer.parseInt(parts[0]) * 60 * 60 * 1000;
        int minutes = Integer.parseInt(parts[1]) * 60 * 1000;
        String [] parts2 = parts[2].split(",");
        int seconds = Integer.parseInt(parts2[0]) * 1000;
        return hours+minutes+seconds+Integer.parseInt(parts2[1]);
    }

    public void shift(int ms){
        int startInMs = timeInMs(startTime);
        int endInMs = timeInMs(endTime);
        this.startTime = timeToString(startInMs+ms);
        this.endTime = timeToString(endInMs+ms);
    }

    public String timeToString (int time){
        long hours = time/ (60*60*1000);
        time %=  (60*60*1000);
        long minutes = time / (60*1000);
        time %= (60*1000);
        long seconds = time / 1000;
        long milis = time % 1000;

        return String.format("%02d:%02d:%02d,%03d",hours,minutes,seconds,milis);
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(num+"\n");
        sb.append(startTime+" --> "+endTime+"\n");
        text.forEach(text -> sb.append(text+"\n"));
        return sb.toString();
    }
}
class Subtitles{
    List<Subtitle> subtitles;

    public Subtitles() {
        this.subtitles = new ArrayList<>();
    }

    public int loadSubtitles(InputStream inputStream){
        Scanner in = new Scanner(System.in);

        while (in.hasNextLine()){
            int num = Integer.parseInt(in.nextLine());

            String line = in.nextLine();
            String [] parts = line.split("\\s+");
            String startTime = parts[0];
            String endTime = parts[2];

            List<String> text = new ArrayList<>();
            while (in.hasNextLine()){
                String textLine = in.nextLine();
                if (textLine.equals(""))
                    break;
                text.add(textLine);
            }
            subtitles.add(new Subtitle(num,startTime,endTime,text));
        }
        return subtitles.size();
    }

    public void print(){
        subtitles.forEach(System.out::println);
    }

    public void shift(int ms){
        subtitles.forEach(subtitle -> subtitle.shift(ms));
    }
}
public class SubtitlesTest {
    public static void main(String[] args) {
        Subtitles subtitles = new Subtitles();
        int n = subtitles.loadSubtitles(System.in);
        System.out.println("+++++ ORIGINIAL SUBTITLES +++++");
        subtitles.print();
        int shift = n * 37;
        shift = (shift % 2 == 1) ? -shift : shift;
        System.out.println(String.format("SHIFT FOR %d ms", shift));
        subtitles.shift(shift);
        System.out.println("+++++ SHIFTED SUBTITLES +++++");
        subtitles.print();
    }
}