/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
/* 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 VERSION_PATTERN = Pattern.compile("glide-(.*?)-");
		Matcher matcher = VERSION_PATTERN.matcher("glide-london-06-27-2018__patch4-hotfix2-12-20-2018_12-20-2018_1717.zip");
        if(matcher.find())
            System.out.println(matcher.group(1));
        else
        	System.out.println("Not found.");
	}
}

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