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[] strings = { 
			"/a.b.c.e",
            "a.b.c.d.e"
		};
		String regex = "a\\.b\\.c\\.(?!d\\.)(.*)";
		
		
		
		for (String s : strings) {
    			System.out.println(s.replaceFirst(regex, "a.b.c.d.$1"));
		}
	}
}