import java.util.HashMap;  
import java.util.Map;  
import java.util.Scanner;  
import java.util.TreeMap;  
  
  
public class Main {  
    private static Map<Character,Character> map = new HashMap<Character, Character>();  
    static {  
        map.put('A','2');  
        map.put('B','2');  
        map.put('C','2');  
        map.put('D','3');  
        map.put('E','3');  
        map.put('F','3');  
        map.put('G','4');  
        map.put('H','4');  
        map.put('I','4');  
        map.put('J','5');  
        map.put('K','5');  
        map.put('L','5');  
        map.put('M','6');  
        map.put('N','6');  
        map.put('O','6');  
        map.put('P','7');  
        map.put('R','7');  
        map.put('S','7');  
        map.put('T','8');  
        map.put('U','8');  
        map.put('V','8');  
        map.put('W','9');  
        map.put('X','9');  
        map.put('Y','9');  
    }  
    public static void main(String args[]) throws Exception  
    {  
        Scanner cin=new Scanner(System.in);  
        int count = cin.nextInt();  
        cin.nextLine();  
        Map<String,Integer> phoneToCountMap = new TreeMap<String, Integer>();  
        for(int idx = 0;idx < count;idx++){  
            String rawPhone = cin.nextLine();  
            String standardPhone = convertToStandardPhone(rawPhone);  
            int phoneCount = 0;  
            if(phoneToCountMap.containsKey(standardPhone)){  
                phoneCount = phoneToCountMap.get(standardPhone);  
            }  
            phoneCount++;  
            phoneToCountMap.put(standardPhone,phoneCount);  
        }  
  
  
        int dupCount = 0;  
        for (Map.Entry<String, Integer> stringIntegerEntry : phoneToCountMap.entrySet()) {  
            int phoneCount = stringIntegerEntry.getValue();  
            if(phoneCount > 1){  
                dupCount++;  
                System.out.println(stringIntegerEntry.getKey()+" "+stringIntegerEntry.getValue());  
            }  
        }  
  
        if(dupCount == 0){  
            System.out.println("No duplicates.");  
        }  
  
    }  
  
      
    private static String convertToStandardPhone(String rawPhone){  
        char[] charArray = rawPhone.toCharArray();  
        StringBuilder builder = new StringBuilder("");  
        for (char c:charArray){  
            if(c == '-'){  
                continue;  
            }  
            if(map.containsKey(c)){  
                c = map.get(c);  
            }  
            if(builder.length() == 3){  
                builder.append('-');  
            }  
            builder.append(c);  
        }  
        return builder.toString();  
    }  
}