public String score(String[] listA, String[] listB, String[] listC) {
		HashMap<String, Integer> map = new HashMap<String, Integer>();
		int[] point = new int[3];
		String[][] strings = new String[][] { listA, listB, listC };
		for (String[] list : strings) {
			for (String string : list) {
				Integer value = map.get(string);
				if (value == null) {
					value = 0;
				}
				map.put(string, value + 1);
			}
		}
		int i=0;
		for (String[] list : strings) {
			for (String string : list) {
				point[i] += 4 - map.get(string);
			}
			i++;
		}
		return point[0] + "/" + point[1] + "/" + point[2];
	}