class A {
  string str;
  int i;

  static int sfunc(boolean b) {
    if (b) {
      {
        int k = 5;
      }
      return 1;
    }
    else {
      A x = new A();
      x.i = 9;
      x.str = "hello";
      return 0;
    }
  }

  void vfunc(A a, int max, int val) {
    int[] arr = new int[max];
    int i = 0;
    while (i < max){
        arr[i] = val;
        i = i + 1;
        if (a == null)
          break;
    }
  }
}

class B extends A {
    int j;

    void vfunc(A a, int max, int val) {
    }
}

class C {
  static void main(string[] args) {
    A[][] a;
  }
}