import java.util.*;
import java.util.stream.*;

public class Task231225 {
    public static void main(String[] args) {
        LinkedList<Integer> list = new LinkedList<>();
        list.add(1);
        list.add(2);
        list.add(3);
        
        Stream<Integer> stream = list.stream();
        list.add(4);
        
        System.out.println(stream.count());
    }
}