#include <iostream>
#include <iterator>
#include <algorithm>
 
using namespace std;
 
struct magic { int a, b; };
inline magic & operator ++ (magic &m) { return ++m.a, ++m.b, m; }
inline double operator * (const magic &m) { return (double)m.a / m.b; }
inline bool operator != (const magic &l, const magic &r) { return l.a != r.a || l.b != r.b; }
 
namespace std
{
 
template<> struct iterator_traits<magic>
{
    typedef magic value_type;
    typedef magic& reference;
    typedef std::input_iterator_tag iterator_category;
};
 
}
//inline magic *operator->(const magic &m) { return &m; }
 
//auto t = for_each(magic {44, 11}, magic {144, 111}, [](double x) { cout << x << '\n'; });
 
int main() {
	copy(magic {44, 11}, magic {144, 111}, ostream_iterator<double>(std::cout, "\n"));
}

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