#include <bits/stdc++.h>
using namespace std;
int main(int argc, char const *argv[]) {
  int n;
  cin >> n;
  int c1 = 0, c2 = 0, temp;
  for (int i = 0; i < n; ++i) {
    cin >> temp;
    if (temp == 100)
      c1++;
    else
      c2++;
  }
  if (c1 == 0 && c2 % 2 == 1) {
    cout << "NO";
    return 0;
  }
  if (c1 % 2 == 1) {
    cout << "NO";
    return 0;
  }
  cout << "YES";
  return 0;
}
