/* 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
	{
		String pat = "\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}"; 
		String str = "2016-07-18 16:51:47 GMT    10.65.242.97        WinNT://CSLG1\\mbr04105    CONNECT    https    stats.g.doubleclick.net    443    /            -    1925    5148    0        173.194.206.156    c:infr    default    allow            12.3.33.9"; 
		List<String> lst = new ArrayList<>();
    	Pattern ptrn = Pattern.compile(pat);
    	Matcher matcher = ptrn.matcher(str);
    	while (matcher.find()) {
    		lst.add(matcher.group(0));
    	}
    	System.out.println(lst.get(1)); // Get the second IP
	}
}

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