#include <bits/stdc++.h>
using namespace std;
int main() {
  int N;
  cin >> N;
  vector<int> vec(N);
  vector<int> mod(N);
  int count0 = 0;
  int count1 = 0;
  if (N % 2 == 0) {
    cout << "No" << endl;
  } else {
    for (int i = 0; i < N; i++) {
      cin >> vec.at(i);
    }
    for (int i = 0; i < N; i++) {
      mod.at(i) = vec.at(i) % 2;
      if (mod.at(i) == 0) {
        count0++;
      } else {
        count1++;
      }
    }
    if (count1 - count0 == 1) {
      cout << "Yes" << endl;
    } else {
      cout << "No" << endl;
    }
  }
}
