#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
int main()
{
    int number;
	scanf("%d",&number);//电话号码的个数
	char phonumber[100][20];//二维数组存储输入的电话号码
	int i,j,temp,length;
	for(i=0;i<number;i++)
	{
		scanf("%s",phonumber[i]);//以字符串输入电话号码
		temp=0,j=0,length=strlen(phonumber[i]);
		while(j<length)
		{
			if(phonumber[i][j]=='-')
				j++;
			else
			{
				if(phonumber[i][j]>='A'&&phonumber[i][j]<='Z')
				{
					if('A'<=phonumber[i][j]&&phonumber[i][j]<='C')
						phonumber[i][temp]='2';
                    if('D'<=phonumber[i][j]&&phonumber[i][j]<='F')
						phonumber[i][temp]='3';
				    if('G'<=phonumber[i][j]&&phonumber[i][j]<='I')
						phonumber[i][temp]='4';
					if('J'<=phonumber[i][j]&&phonumber[i][j]<='L')
						phonumber[i][temp]='5';
					if('M'<=phonumber[i][j]&&phonumber[i][j]<='O')
						phonumber[i][temp]='6';
					if('P'<=phonumber[i][j]&&phonumber[i][j]<='S')
						phonumber[i][temp]='7';
					if('T'<=phonumber[i][j]&&phonumber[i][j]<='V')
						phonumber[i][temp]='8';
					if('W'<=phonumber[i][j]&&phonumber[i][j]<='Y')
						phonumber[i][temp]='9';
				}
				else
					phonumber[i][temp]=phonumber[i][j];
			temp++;
			j++;
			}
		}
		if(length>7)
			phonumber[i][7]='\0';//转换后的电话号码占有前七个个存储单元
	}
	int *a,count;
	a=(int *)malloc(number*sizeof(int));
    for(i=0;i<number;i++)
	{
		a[i]=atoi(phonumber[i]);//字符串转换成整型变量
	}
	for(i=0;i<number;i++)//将电话号码升序排列
	{
		for(j=i;j<number;j++)
		{
			if(a[i]>a[j])
			{
				temp=a[i];
				a[i]=a[j];
				a[j]=temp;
			}
		}
	}
	i=0;
	int leap=0;
	while(i<number)//输出
	{
        count=1;
		j=i+1;
		while(j<number)
		{
			if(a[i]==a[j])
			{
				count++;
				j++;
			}
			else
			{
				if(count>1)
				{
					printf("%d-%d %d\n",a[i]/10000,a[i]%10000,count);
					leap=1;
				}
				i=j;
				break;
			}
		}
		if(j>=number)
		{
			if(count>1)
				{
					printf("%d-%d %d\n",a[i]/10000,a[i]%10000,count);
					leap=1;
				}
				i=j;
		}

	}
	if(leap==0)
		printf("No duplicates\n");
	return 0;
}