public static List<Integer> javiaquitienestumetodo() {

		try {
			List<String> lines = Files.lines(Paths.get("./input.txt")).collect(Collectors.toList());
			List<Integer> res = lines.stream()
					.map(x->Arrays.stream(x.split(","))).flatMap(Function.identity()).map(Integer::getInteger).collect(Collectors.toList());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return null;
	}