rd := bufio.NewReader(f)
for {
	str, err := rd.ReadString('\n')
	if err != nil {
		if err.Error() == "EOF" {
			i, err := strconv.Atoi(str) // ugly code- repetition but the job is done
			fmt.Println(i)
			if err != nil { panic(err) }
			out <- i
			f.Close()
			wg.Done()
			return
		} else { panic(err) }
	}
	str     = strings.TrimRight(str, "\r\n")
	i, err := strconv.Atoi(str)
	fmt.Println(i)
	if err != nil { panic(err) }
	out <- i
}