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

public class Demo2
{
	public static void main(String [] args)
    {
		String rcvd = args[0];
		String pattern = "^(\\d){1,3}.(\\d){1,3}.(\\d){1,3}.(\\d){1,3}$";

//		Pattern r = Pattern.compile(pattern);
//		Matcher m = r.matcher(rcvdString);
//		      if (m.find( ))
//              {
//
//
//		      }
//            else
//              {
//		         System.out.println("Not a Valid IP");
//		      }

        do
        {
        int ind = rcvd.indexOf(".");
        //System.out.println(ind);
         //System.out.println(rcvd);


        rcvd = rcvd.substring(ind+1 , rcvd.length());
        System.out.println(rcvd);
        }

        while(rcvd.indexOf(".") != -1);


	}

}