#include<iostream>
#include<cstring>
using namespace std;
#define ma 100010
#define m 100
char pzj[]="22233344455566677778889999";
char num[ma][m]; //记录转换后的电话号码
int i,j;
bool ak[m];
char s[m],ss[m];
char tem[m],ter[m];
int ps(int tail,int head)//字典排序
{
	int w,t;
	w=tail,t=head;
	strcpy(tem,num[(w+t)>>1]);
	while(1)
	{
		while(strcmp(num[w],tem)<0)w++;
		while(strcmp(num[t],tem)>0)t--;
		if(w<=t)
		{
			strcpy(ter,num[w]);
			strcpy(num[w],num[t]);
			strcpy(num[t],ter);
			w++,t--;
		}
		else break;
	}
	if(w<head)
		ps(w,head);
	if(t>tail)
		ps(tail,t);
	return 0;
}
int main()
{
	int n,len;
	memset(num,0,sizeof(num));
	memset(s,0,sizeof(s));
	memset(ss,0,sizeof(ss));
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		int k=0;
		scanf("%s",s); len=strlen(s);
		for(j=0;j<len;j++)
		{
			if(s[j]>='A'&&s[j]<='Z')
				num[i][k++]=pzj[s[j]-'A'];
			if(s[j]>='0'&&s[j]<='9')
				num[i][k++]=s[j];
		}
	}
	ps(1,n);
	strcpy(ss,num[1]);
	bool check=1;
	int count=1;
	memset(ak,1,sizeof(ak));
	for(i=1;i<=n;i++)
	 {
		 if(!strcmp(num[i],num[i+1])&&ak[i])
		 {
			 ak[i]=0;
			 count++;
			 check=0;
		 }
		 else
		 {
			 strcpy(ss,num[i]);
			 if(count>1)
			 {
				 for (j=0;j<7;j++)
				{
					if (j!=3) printf("%c",ss[j]);
					else printf("-%c",ss[j]);
				}
				 printf(" %d\n",count);
				 count=1;
			 }
		 }
	 } if(check)
		 printf("No duplicates.\n");
	return 0;
}