#ifndef NAMESPACE_H
#define NAMESPACE_H

#include <iostream>
using namespace std;

namespace my_namespace {

	class A {
	protected:
		static int count;
		int data;
		
	public:
		A();
		A(int d);
		static int get_count();
		
		friend ostream& operator<<(ostream& out, A& obj);
	};
	
}

#endif