#ifndef OSTREAM_ITERATOR_INTH
#define OSTREAM_ITERATOR_INTH
#include <iostream>
#include <iterator>
using namespace std;

class ostream_iterator_int:
	public iterator<output_iterator_tag, void, void, void, void> {
	ostream *ost;

	class proxy {
		ostream *const ost;
	public:
		proxy(ostream *initial_ost): ost(initial_ost) {}
		void operator=(int i) const {*ost << i << "\n";}
	};

public:
	ostream_iterator_int(ostream& initial_ost): ost(&initial_ost) {}
	const proxy operator*() const {return ost;}   //means return proxy(ost);
	ostream_iterator_int& operator++() {return *this;}
};

inline const ostream_iterator_int operator++(ostream_iterator_int& it, int)
{
	const ostream_iterator_int old = it;
	++it;
	return old;
}
#endif