_5_4_ActivityTracker

import java.util.Scanner;
import java.util.TreeMap;

public class _5_4_ActivityTracker {
    static Scanner input = new Scanner(System.in);

    public static void main(String[] args) {
	int n = input.nextInt();
	input.nextLine();
	TreeMap<Integer, TreeMap<String, Integer>> userInfo = new TreeMap<>();
	for (int i = 0; i < n; i++) {
	    String[] line = input.nextLine().trim().split("[\\/ ]");
	    int month = Integer.parseInt(line[1]);
	    String user = line[3];
	    int distance = Integer.parseInt(line[4]);
	    if (!userInfo.containsKey(month)) {
		userInfo.put(month, new TreeMap<String, Integer>());
	    }
	    int oldDistance = 0;
	    TreeMap<String,Integer> info = userInfo.get(month);
	    if (info.containsKey(user)) {
		oldDistance = info.get(user);
	    }
	    info.put(user, oldDistance+distance);
	}
	for (Integer in : userInfo.keySet()) {
		System.out.print(in+ ": ");
		System.out.println(userInfo.get(in).toString()
			.replace("{", "")
			.replace("}", ")")
			.replace("=", "(")
			.replace(",", "),"));
	    }
    }
}