/**
 * @author: lhdtigerblue
 */

#include <string.h>
#include <stdlib.h>
#include <stdio.h>

#define PHONE_STR_LEN		7
#define STD_PHONE_STR_LEN	(PHONE_STR_LEN + 1)
#define LINE_MAX_LEN		17		

static char maps[] = 
"                                                                 "
"2223334445556667777888999";

static int comp_int(const void *a, const void *b)
{
	return *(int *)a - *(int *)b;
}

static int a_to_i(char *arg)
{
	int num = 0;
	int c;

	while ((c = *arg++) != '\0') {
		num = 10 * num + c - '0';
	}

	return num;
}

static int get_filtrate_line(char *line)
{
	int len = 0;
	int c;

	while ((c = getchar()) != EOF) {
		if (c == '-')
			continue;

		if (c == '\n')
			break;

		if (isdigit(c)) {
			line[len++] = c;
		} else {
			line[len++] = maps[c];
		}
	}
	line[len] = '\0';

	return len;
}

int main(void)
{
	int lines;
	char line[LINE_MAX_LEN];
	int line_len;
	int index = 0;
	int *phone_ints;
	int nr;
	int div;
	int no_dup = 1;

	scanf("%d\n", &lines);

	phone_ints = malloc(sizeof(int)* lines);

	while ((line_len = get_filtrate_line(line)) > 0) {
		phone_ints[index++] = a_to_i(line);
	}

	if (index == lines) {

		qsort(phone_ints, lines, sizeof(int), comp_int);

		int i = 0, j = 0;
		while (i < lines - 1) {
			j = i + 1;
			while (phone_ints[i] == phone_ints[j] && j < lines)
				j++;
			if (j != i + 1) {
				no_dup = 0;
				nr = phone_ints[i];

				printf("%03d-%04d %d\n", nr/10000, nr%10000, 
						j - i);
			}
		       	i = j;
		}
		if (no_dup)
			printf("No duplicates.\n");
	}

	free(phone_ints);

	return 0;
}