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
	{
		final String regex = "(?<=pp_[^,]{0,1000}, )\\d+(?=])";
		final String string = "if (this.hostContainer) { try {\n"
			 + "this.hostContainer.postMessage(['newPage', 'pp_3', 365]);\n"
			 + "} catch(e) { console.println(e); }};";
 
		final Pattern pattern = Pattern.compile(regex);
		final Matcher matcher = pattern.matcher(string);
 
		System.out.println(matcher.group(0));
		}
	}
}

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