class P4 {
  public static void main(String[] _args) {
      int n = 10;
      int a = 0, b = 1;
      System.out.println("First " + n + " elements of the fibonacci series:");
      new P4().fibo(n, a, b);
  }

    void fibo(int n, int a, int b) {
        if (n == 0)
            return;
        System.out.println(a);
        fibo(n - 1, b, a + b);
    }
}