import java.io.*;
import java.util.*;

public class acm1002 {

	public static String Convert(String str)
	{
		String res="";
		for(int i=0;i<str.length();i++)
		{
			if(str.charAt(i)>='0' && str.charAt(i)<='9')
			{
				res+=str.charAt(i);
			}
			else
			{
				if(str.charAt(i)=='A' || str.charAt(i)=='B' || str.charAt(i)=='C')
					res+='2';
				else if(str.charAt(i)=='D' || str.charAt(i)=='E' || str.charAt(i)=='F')
					res+='3';
				else if(str.charAt(i)=='G' || str.charAt(i)=='H' || str.charAt(i)=='I')
					res+='4';
				else if(str.charAt(i)=='J' || str.charAt(i)=='K' || str.charAt(i)=='L')
					res+='5';
				else if(str.charAt(i)=='M' || str.charAt(i)=='N' || str.charAt(i)=='O')
					res+='6';
				else if(str.charAt(i)=='P' || str.charAt(i)=='R' || str.charAt(i)=='S')
					res+='7';
				else if(str.charAt(i)=='T' || str.charAt(i)=='U' || str.charAt(i)=='V')
					res+='8';
				else if(str.charAt(i)=='W' || str.charAt(i)=='X' || str.charAt(i)=='Y')
					res+='9';
			}
		}
		return res.substring(0,3)+"-"+res.substring(3,7);
	}
	public static void main(String[] args) throws IOException{
		
		Map<String,Integer>  set = new HashMap<String,Integer>();
		BufferedReader stdIn = new BufferedReader(new InputStreamReader(System.in));
		int num = Integer.parseInt(stdIn.readLine());
		for(int i=1;i<=num;i++)
		{
			String res = stdIn.readLine();
			res =Convert(res);
			if(set.get(res)==null)
			{
				set.put(res,1);
			}else
			{   int newValue = set.get(res)+1;
			    set.put(res,newValue);
			}
		}
		if(set.keySet().size()==num)
		{
			System.out.println("No duplicates.");
		}
		else
		{
			List<Map.Entry<String,Integer>> infoIds = new ArrayList<Map.Entry<String,Integer>>(set.entrySet());
			
			
			Collections.sort(infoIds, new Comparator<Map.Entry<String, Integer>>() {
				   public int compare(Map.Entry<String, Integer> o1,
				     Map.Entry<String, Integer> o2) {
				   // return (o2.getValue() - o1.getValue()); //降序
				    return (o1.getKey().charAt(0) - o2.getKey().charAt(0)); //升序
				   }
				  });
		   
			for(int i=0;i<infoIds.size();i++)
			{
				if(infoIds.get(i).getValue()>1)
				{
				String result="";
				result=infoIds.get(i).getKey()+" "+infoIds.get(i).getValue();
				System.out.println(result);
				}
			}
			
		}
		
	}
}