/* 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;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "To track your packages, enter COP201812345 and COP201867890 at www.example.org";
		Matcher m = Pattern.compile("\\bCOP(201[5-8])(\\d{5})\\b").matcher(s);
 
		while (m.find()) 
			System.out.println(
				"Match: " + m.group() + 
				" (Year: " + m.group(1) + ", Id: " + m.group(2) + ")");
	}
}

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