using System;

​

public class Program

{

    public static void Main()

    {

        string a = (Console.ReadLine()).ToString();

        string[] splitted = a.Split(',');

        int count = splitted.Length;

        for (int i = 0; i < count; i++)

        {

            string[] colonsplit = splitted[i].Split(':');

            for (int j = 0; j < 1; j++)

            {

                char[] sou = colonsplit[i+j].ToCharArray();

                //Console.WriteLine(sou[1] + sou[2]);

                Console.WriteLine(sou[j]+""+sou[j+1]);

                int s = colonsplit[i + j + 1].Length;

                char[] dest = colonsplit[i + 1].ToCharArray();

                Console.WriteLine(dest[s - 2] +""+ dest[s - 1]);

            }

​

            Console.WriteLine(colonsplit[i] + "");

        }

​

        Console.WriteLine(count);

        Console.WriteLine(splitted[0] + "-" + splitted[1]);

    }

}