import java.util.*;
import java.lang.*;
import java.io.*;
 
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "He ordered a pizza with anchovies. Unfortunately, it wasn't the thing he wanted. Besides, pizza with mushroom, pepperoni and anchovies is much better than the normal pizza with anchovies.";
		s = s.replaceAll("(?i)pizza with [a-zA-Z,\\s]*?anchovies", "$0 on a thin crust");
		System.out.println(s);
	}
}

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