public class MainC {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        int n = scan.nextInt();
        String s = scan.next();
        int[] arr = new int[n];
        int topSum = 0;
        for (int i = 0; i < n; i++) {
            arr[i] = s.charAt(i) - '0';
            topSum += arr[i];
        }

        if (topSum == 0) {
            System.out.println("YES");
            System.exit(0);
        }

        for (int tSum = 1; tSum < topSum; tSum++) {
            int cSum = 0;
            for (int i = 0; i < n; i++) {
                cSum += arr[i];
                if (cSum == tSum) {
                    cSum = 0;
                } else if (cSum > tSum) {
                    break;
                }
            }
            if (cSum == 0) {
                System.out.println("YES");
                System.exit(0);
            }
        }

        System.out.println("NO");
    }
}