> import java.util.ArrayList;
> import java.util.Collections;
> import java.util.HashMap;
> import java.util.Scanner;
> 
> public class Main {
> 	public static void main(String[] args) 
> 	{
> 		HashMap<String,String> hm = new HashMap<String,String>(35);
> 		for(int i = 0; i < 10; i ++)
> 			hm.put(Integer.toString(i), Integer.toString(i));
> 		String abc = "ABCDEFGHIJKLMNOPRSTUVWXY";
> 		int value = 1;
> 		for(int i = 0; i < abc.length(); i ++)
> 		{
> 			if(i%3 == 0)
> 				value += 1;
> 			hm.put(Character.toString(abc.charAt(i)), Integer.toString(value));
> 		}
> 		hm.put("-", "");
> 		
> 		Scanner in = new Scanner(System.in);
> 		int numOfLines = in.nextInt();	
> 		
> 		ArrayList<String> arr = new ArrayList<String>();
> 		String doneLine,line;
> 		for(int i =0; i < numOfLines; i ++)
> 		{
> 			doneLine = "";
> 			line = in.next();
> 			for(int j = 0; j < line.length(); j ++)
> 				doneLine += hm.get(Character.toString(line.charAt(j)));
> 			arr.add(doneLine);
> 		}
> 		
> 		Collections.sort(arr);	
> 		boolean dup = false;	
> 		int num = 1;
> 		String first = arr.get(0);
> 		int pointer = 1;
> 		int arrSize = arr.size();
> 		while(pointer < arrSize)
> 		{
> 			if(first.equals(arr.get(pointer)))
> 			{
> 				num += 1;
> 				pointer += 1;
> 				if(pointer == arr.size())
> 				{
> 					dup = true;
> 					System.out.println(first.substring(0,3)+"-"+first.substring(3,7)+" "+num);
> 				}
> 			}
> 			else 
> 			{
> 				if(num > 1)
> 				{
> 					dup = true;
> 					System.out.println(first.substring(0,3)+"-"+first.substring(3,7)+" "+num);
> 				}
> 				num = 1;
> 				first = arr.get(pointer);
> 				pointer += 1;
> 			}
> 		}
> 		if(!dup)
> 			System.out.println("No duplicates.");
> 	}
> }