using System;

using System.Collections.Generic;   

public class Program

{

    public static void Main()

    {

        //User enters enters string of molecules in <element><quantity> 

        //format seperated by commas

        //Program will search for an element name throught string

        //Program outputs molecules containing element until "Exit is entered"

        //Console.WriteLine("Please Enter list of molecules seperated by commas");

        //string MolString = Console.ReadLine();

        //string e=null; // Exit trigger

        //List<string> MolList = new List<string>();

        //while((e!="exit")&&(e!="EXIT"))

        //{

        //}

        string s = Console.ReadLine();

        string[] values = s.Split(',');

        for (int i=0; i<=s.Length; i++)

        {

​

            Console.WriteLine(values[i]);   

        }

        //Input string array

        //for loop

        //while char!=","

        //addList char

    }

}