unsigned int table[] = {
	2,2,2,3,3,3,4,4,4,5,5,5,6,6,6,7,7,7,7,8,8,8,9,9,9,9
};

unsigned int HashCode(char* str)
{
	unsigned int code = 0;

	while (*str != 0)
	{
		if (*str == '-')
		{
			str++;
			continue;
		}

		if (*str < 'Z' && *str >= 'A')
		{
			code *= 10;
			code += table[*str - 'A'];
		}
		else if (*str >= '0' && *str <= '9')
		{
			code *= 10;
			code += *str - '0';
		}
		else
		{
			printf("Error input\n");
		}
		str++;
	}

	return code;
}

#define MAXSIZE 10000000

int _tmain(int argc, _TCHAR* argv[])
{
	unsigned short * countTable = new unsigned short[MAXSIZE];

	memset(countTable, 0, sizeof(unsigned short)*MAXSIZE);

	int inputSize;
	bool flag = false;
	char telnum[20];

	FILE *f = fopen("in.txt", "r");

	fscanf(f, "%d", &inputSize);

	for (int i = 0; i < inputSize; ++i)
	{
		fscanf(f, "%s", telnum);
		countTable[HashCode(telnum)]++;

		if (!flag)
		{
			flag = true;
		}
	}

	if (flag)
	{
		for (int i = 0; i < MAXSIZE; ++i)
		{
			if (countTable[i] > 1)
			{
				printf("%d-%d %d\n", i/10000, i%10000, countTable[i]);
			}
		}
	}
	else
	{
		printf("No duplicates.\n");
	}

	delete[] countTable;

	return 0;
}