/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
 
		Pattern p = Pattern.compile("-([^-]*-[^-]*$)");
  		Matcher m = p.matcher("https://w...content-available-to-author-only...d.efg/try-till-you-succedd.html");
	  	if (m.find())
    	  System.out.println(m.group(1));
	}
}

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