#include <iostream>

template <class X> X max(X a, X b)
{
  return a > b ? a : b;
}

class MyInt
{
  friend std::ostream& operator<<(std::ostream& os, const MyInt& m)
  {
    os << m.data;
    return os;
  }

  friend bool operator>(MyInt& mi1, MyInt& mi2) { return mi1.data > mi2.data; }

 public:
  MyInt(int i) : data(i) {}

 private:
  const int data;
};

int main()
{
  std::cout << max<int>(5, 3) << std::endl;
  std::cout << max<char>('a', 'b') << std::endl;
  std::cout << max<MyInt>(MyInt(5), MyInt(3)) << std::endl;
}