func main() {

	// your queue of jobs
	q := make(chan int)
	// done channel takes the result of the job
	done := make(chan bool)

	numberOfWorkers := 2
	for i := 0; i < numberOfWorkers; i++ {
		go worker(q, i, done)
	}

	// appends a job to the queue

	numberOfJobs := 17
	for j := 0; j < numberOfJobs; j++ {
		go func(j int) {
			q <- j
		}(j)
	}

    for c := 0; c < numberOfJobs; c++ {
		<-done
	}
}