> #include <iostream>
> #include <string>
> #include <map>
> 
> #define MAXLEN 100
> #define FIXEDLEN 9
> 
> using namespace std;
> int main()
> {
> 	char seq[100];
> 	seq['A']=seq['B']=seq['C']='2';
> 	seq['D']=seq['E']=seq['F']='3';
> 	seq['G']=seq['H']=seq['I']='4';
> 	seq['J']=seq['K']=seq['L']='5';
> 	seq['M']=seq['N']=seq['O']='6';
> 	seq['P']=seq['R']=seq['S']='7';
> 	seq['T']=seq['U']=seq['V']='8';
> 	seq['W']=seq['X']=seq['Y']='9';
> 
> 	map<string, int> dist;
> 	int n;	//输入的数据行数
> 	char ch[MAXLEN];   //暂存输入的数据
> 	char tmp[FIXEDLEN];  //存入输出的数据
> 
> 	while(cin>>n){
> 		for(int i=0; i<n; i++){
> 			cin>>ch;
> 			int k=0;
> 			for(int j=0; ch[j]!='\0'; j++){
> 				if(ch[j]=='-')
> 					continue;
> 				if(k==3)
> 					tmp[k++] = '-';
> 				if(ch[j]>='0' && ch[j]<='9')
> 					tmp[k++]=ch[j];
> 				else
> 					tmp[k++]=seq[ch[j]];
> 			}
> 			tmp[k]='\0';
> 			dist[tmp]++;
> 		}
> 		bool flag = true;
> 		for(map<string, int>::iterator itr=dist.begin(); itr!=dist.end(); itr++){
> 			if(itr->second > 1){
> 				cout<<itr->first<<' '<<itr->second<<endl;
> 				flag=false;
> 			}
> 		}
> 		if(flag)
> 			cout<<"No duplicates. "<<endl;
> 	}
> 	return 0;
> }