#include <cstdio>

template <typename T, typename U>
class Tuple
{
public:
  Tuple(const T& t, const U& u);

  T first;
  U second;
};

template <typename T, typename U>
Tuple<T, U>::Tuple(const T& t, const U& u)
: first(t), second(u)
{ }


int main(int argc, char* argv[])
{
  int x = 5;
  int y = 3;

  Tuple<int, int> t(x, y);

  t.second = 10000;

  printf("Tuple: (%d, %d)\n", t.first, t.second);


  Tuple<int, const char*> another(12, "twelve");

  printf("another: (%d, %s)\n", another.first, another.second);
  
  Tuple<double, const char*> a(12.0, "twelve");
  Tuple<int, Tuple<double, const char*> > b(12, a);

  
  auto c = b;

  return(0);
}