# include <iostream.h>
# include <string.h>
# include <stdlib.h>
# include <iomanip.h>
char change[27]={"22233344455566677778889999"};
int compare(const void* a, const void* b);
void main()
{ 
	int n,N,M=0,len;
	char array1[100][16],array2[100][9];
	bool turn=false;
	cin>>N;
	for(int i=0;i<N;i++){ //将号码全部转换为数字串
		cin>>array1[i];
        len=strlen(array1[i]);
		M=0;
		for(int m=0;m<len;m++){
           if(array1[i][m]>='A' && array1[i][m]<='Z'){
			  array2[i][M]=change[array1[i][m]-'A'];   //?为什么赋值不成功呢???
			  M++;
			  continue;
		   }
		   if(array1[i][m]>='0' && array1[i][m]<='9'){
			   array2[i][M]=array1[i][m];
			   M++;
		   }
		}
	}
	qsort((void*)array2,N,sizeof(array2[0]),compare);  //将电话号码排序
	char b[9];
		strcpy(b,array2[0]);
		for(int j=1;j<N;j++){     //查找相同的号码
		if(strcmp(array2[j],b)==0) {n++;turn=true; continue;}
		if(n>1){
				for(int k=0;b[k]!='\0';k++){
					if(k==3) cout<<"-"<<b[k];
					else     cout<<b[k];
				}
		cout<<setfill(' ')<<setw(2)<<n<<endl;   //输出
		n=1;strcpy(b,array2[j]);
		}
	}
		if(!turn) cout<<"No duplicates."<<endl;  //找不到时的输出
}
int compare(const void* a,const void* b){
	return strcmp(*(char **)a,*(char **)b);
}