#include <iostream>

class foo {
public:
  int f;
  int g;

  foo( int F, int G) {
    f = F;
    g = G;
  }

  class bar {
  public:
    int h;
    int i;

    bar( int H, int I) {
      h = H;
      i = I;
    }
  };

};


using namespace std;

int main() {
  foo::bar  fb( 1, 2);

  cout << "foo::bar worked" << endl;
}