import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Pattern pattern = Pattern.compile("\\bEnumOption\\[enumId=[^=,\\]]+,id=([^\\]]+)]");
		Matcher matcher = pattern.matcher("EnumOption[enumId=test,id=machine]");
 
		if (matcher.find()) {
			System.out.println(matcher.group(1));
		}
	}
}

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