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    #include <iostream>
	#include <atomic>
	#include <thread>
 
	std::atomic<int>    last=2;
	std::atomic<int>    last_Value = 0;
	std::atomic<bool>   running = true;
 
	void function_Thread_1()
	{
		  while(running)
		  {
			  if(last == 2)
			  {
				  last_Value = last_Value + 1;
				  std::cout << last_Value << std::endl;
				  last = 1;
			  }
		  }
	}
 
	void function_Thread_2()
	{
		  while(running)
		  {
			  if(last == 1)
			  {
				  last_Value = last_Value + 1;
				  std::cout << last_Value << std::endl;
				  last = 2;
			  }
		  }
	}
 
	int main() 
	{
		std::thread a(function_Thread_1);
		std::thread b(function_Thread_2);
 
		while(last_Value != 6){}//we want to print 1 to 6
 
		running = false;//inform threads we are about to stop
 
		a.join();
		b.join();//join
		return 0;
	}

prog.cpp:5:27: error: use of deleted function ‘std::atomic<int>::atomic(const std::atomic<int>&)’
In file included from prog.cpp:2:0:
/usr/include/c++/4.7/atomic:594:7: error: declared here
prog.cpp:6:35: error: use of deleted function ‘std::atomic<int>::atomic(const std::atomic<int>&)’
In file included from prog.cpp:2:0:
/usr/include/c++/4.7/atomic:594:7: error: declared here
prog.cpp:7:32: error: use of deleted function ‘std::atomic<bool>::atomic(const std::atomic<bool>&)’
In file included from prog.cpp:2:0:
/usr/include/c++/4.7/atomic:480:7: error: declared here

Standard output is empty