import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		 String text = "0001113033AA55608981";
		 Matcher mr = Pattern.compile("^(0*\\w{4})(.*)(\\w{4})$").matcher(text);
		 text = mr.replaceFirst(m -> m.group(1) + "*".repeat(m.group(2).length()) + m.group(3));
		 System.out.println(text);
	}
}