import java.io.IOException;
import java.util.Arrays;

public class Main {
    public static void main(String args[]) throws IOException {
        final String str = "0x0441,a,2,3,4,0x0442,f,dws,212";
        Arrays.stream(str.split("(?=\\wx\\w\\w\\w\\w)")).forEach(System.out::println);
    }
}