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

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String stringValue = "Servicing";
		if (stringValue != null && !stringValue.isEmpty()) {
		     String newData = stringValue.replaceAll("(?i)servi", "<mark>$0</mark>");
		     System.out.println(newData);
		 }
	}
}