package functions.two;
class NotDivn implements Predicate {
  final private int n;
  NotDivn(int n) {
    this.n = n;
  }
  public boolean evaluate(int m) {
    return (m%n) != 0;
  }
}

class WhatAPain implements Stream{
  private Stream it;

  public WhatAPain(Stream it) {
    this.it = it;
  }

  public int next() {
    final int n = it.next();
    final Predicate d = new NotDivn(n);
    Stream newit = new FilteredStream(it, d);
    it = newit;
    return (n);
  }
}

class Main2 {
  public static void main(String[] args) {
    IntStream I = new IntStream();
    System.out.println(I.next());   // prints out 0 on the screen
    System.out.println(I.next());   // prints out 1 on the screen

    WhatAPain w = new WhatAPain(I);
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
    System.out.println(w.next());
  }
}