#include <bits/stdc++.h>
using namespace std;
map<long long, long long> dd;
map<long long, long long> tong;
int main() {
  long long n;
  cin >> n;
  string s;
  cin >> s;
  long long sum = 0;
  for (long long i = 0; i < s.size(); i++) {
    sum += (s[i] - '0');
  }
  for (long long i = 2; i <= s.size(); i++) {
    if (sum % i == 0) {
      long long tmp = sum / i, dem = 0;
      long long sum1 = 0;
      for (long long j = 0; j < s.size(); j++) {
        sum1 += (s[j] - '0');
        if (sum1 == tmp) {
          sum1 = 0;
          dem++;
        }
      }
      if (dem == i) {
        cout << "YES";
        return 0;
      }
    }
  }
  cout << "NO";
}
