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

public class SecureRoomA
{
    public static void main(String[] args)
    {
        PrintStream output = System.out;
        Scanner input = new Scanner(System.in);
        
        Map<String, Integer> peopleMap = 
                new TreeMap<String, Integer>();
        
        while (input.hasNext())
        {
            Scanner line = new Scanner(input.nextLine());
            String who = line.next();
            Integer count = peopleMap.get(who);
            if (count == null)
            {
                peopleMap.put(who, 1);
            } else
            {
                peopleMap.put(who, count + 1);
            }

        }
        
        for (String who : peopleMap.keySet())
        {
            output.println(who + " : " + peopleMap.get(who));
        }
    }
}