import java.util.*;
import java.lang.*;
import java.io.*;
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String s = "don't try to ''''remove apostr inside'''' word' 'żoł'";
        s = s.replaceAll("(?U)\\B'\\b|\\b'\\B|\\B'\\B", "");
        System.out.println(s);
	}
}