public class Advent2 {

    public static int getSurfaceArea(String input) {
        int area = 0;
        int[] sides = getDimensions(input);
        area = 2 * ((sides[0] * sides[1]) + (sides[0] * sides[2]) + (sides[1] * sides[2]));
        area += sides[0] * sides[1];
        return area;
    }

    private static int[] getDimensions(String input) {
        String[] temp = input.split("x");
        int[] output = new int[3];
        for (int i = 0; i < temp.length; i++) {
            output[i] = Integer.parseInt(temp[i]);
        }
        Arrays.sort(output);
        return output;
    }

    public static void main(String[] args) {
        int total = 0;
        try (Scanner scanner = new Scanner(new File("advent2.txt"))){
            while(scanner.hasNextLine()) {
                total += Advent1.getSurfaceArea(scanner.nextLine());
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
        System.out.println(total);
        }
    }