MeTube

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class MeTube {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String input = scanner.nextLine();

        Map<String, Integer> videoViews = new HashMap<>();
        Map<String, Integer> videosLikes = new HashMap<>();

        while (!"stats time".equals(input)) {

            if (input.contains("-")) {
                String[] tokens = input.split("-");
                String videoName = tokens[0];
                int views = Integer.parseInt(tokens[1]);

                if (!videoViews.containsKey(videoName)) {
                    videoViews.put(videoName, views);
                } else {
                    videoViews.put(videoName, videoViews.get(videoName) + views);
                }
            } else {
                String[] tokens = input.split(":");
                String videoName = tokens[1];
                int likes = Integer.parseInt(tokens[0]);

                if (tokens[0].equals("like")) {
                    if (!videosLikes.containsKey(videoName)) {
                        videosLikes.put(videoName, 1);
                    } else {
                        videosLikes.put(videoName, videosLikes.get(videoName) + 1);
                    }
                } else {
                    videosLikes.put(videoName, videosLikes.get(videoName) - 1);
                }
            }
            input = scanner.nextLine();
        }
            //TODO Print!!!

    }
}