// demonstrates the use of friend function
// Mikhail Nesterenko
// 10/26/2010

#include <iostream>

using std::cout; using std::endl; using std::cin;


class MyClass{
public:
  void set(int n){data=n;}

  // friend function accepts to objects of MyClass
  friend bool greater(const MyClass&, const MyClass& ); 

private:
  int data;
};


// friend function can access the private members of two classes
bool greater(const MyClass& one, const MyClass& two){
  bool result;
  result = one.data > two.data;
  return result;
}



int main() {
  MyClass ob1, ob2;
  int input;

  cout << "input value for ob1: ";
  cin  >> input;
  ob1.set(input);


  cout << "input value for ob2: ";
  cin  >> input;
  ob2.set(input);

  if(greater(ob1,ob2))
    cout << "ob1 > ob2 \n";
  else
    cout << "ob1 <= ob2 \n";
  
}