import java.util.regex.*;
import java.util.regex.*;

public class Demo2
{
    public static void main(String [] args)
    {
        String rcvd = args[0];
        do
        {
            int ind = rcvd.indexOf(".");
            String part = rcvd.substring(0, ind);
            rcvd = rcvd.substring(ind+1 , rcvd.length());
            System.out.println(part);
        } while(rcvd.indexOf(".") != -1);
             System.out.println(rcvd);


    }


}