#include <iostream>
#include <mutex>
#include <future>
#include <thread> 
#include <exception>
#include <functional>
#include <numeric>
#include <limits>
#include <queue>
using namespace std;

class CThreadPool
{
	
	bool m_boolIsWorking = true;
	std::mutex m_mtxWorkQueueMtx;
	std::condition_variable m_cvWorkCv;
	std::queue<std::function<void()>> m_queWorkQue;
	std::vector<std::thread> m_vecThreadVec;
	void WorkThread()
	{
		while (m_boolIsWorking)
		{
			std::unique_lock<std::mutex> lk(m_mtxWorkQueueMtx);
			m_cvWorkCv.wait(lk, [this]() {return false == m_boolIsWorking || false == m_queWorkQue.empty();});
			if (false == m_boolIsWorking)
				return;
			auto task = std::move(m_queWorkQue.front());
			m_queWorkQue.pop();
			try {task();}catch (...){}
		}
	}
public:
	CThreadPool()
	{
		m_boolIsWorking = true;
		auto size = std::thread::hardware_concurrency();
		while (0 != size--)
			m_vecThreadVec.push_back(std::thread(&CThreadPool::WorkThread, this));
	}
	~CThreadPool() 
	{
		m_boolIsWorking = false;
		std::unique_lock<std::mutex> lk(m_mtxWorkQueueMtx);
		m_cvWorkCv.notify_all();
		lk.unlock();
		for (auto & th : m_vecThreadVec)
			th.join();
	}
	void PutTask(std::function<void()> f)
	{
		std::unique_lock<std::mutex> lk(m_mtxWorkQueueMtx);
		m_queWorkQue.push(std::move(f));
		m_cvWorkCv.notify_one();
	}
};



int main()
{
	{
		CThreadPool pool;
		int a;
		while (cin >> a)
		{
			if (0 == a)
				break;
			while (0 != a--)
			{
				pool.PutTask([]() {std::this_thread::sleep_for(std::chrono::seconds(1));cout << ".";});
			}
		}
	}
	int pause;
	cin >> pause;

}