import java.util.*;

public class Nuts {
    public static void main(String[] args) {

        Scanner scn = new Scanner(System.in);
        int n = Integer.parseInt(scn.nextLine());
        TreeMap<String, LinkedHashMap<String, Long>> companies = new TreeMap<>();

        for (int i = 0; i < n; i++) {
            String[] line = scn.nextLine().split("\\s+");
            String  company = line[0];
            String nuts = line[1];
            Long amount = Long.parseLong(line[2].replaceAll("kg", ""));

            if (!companies.containsKey(company)) {
                companies.put(company, new LinkedHashMap<>());
            }
            Long count = companies.get(company).get(nuts);
            if (count == null) {
                count = 0l;
            }
            companies.get(company).put(nuts, amount + count);
        }
        StringBuilder sb = new StringBuilder();
        for (Map.Entry<String, LinkedHashMap<String, Long>> item : companies.entrySet()) {
            sb.setLength(0);
            sb.append(item.getKey() + ": ");
            item.getValue().entrySet().stream()
                    .forEach((entry) -> {
                        sb.append(String.format("%s-%dkg, ", entry.getKey(), entry.getValue()));
                    });
            System.out.println(sb.substring(0, sb.length() - 2));
        }
    }
}