#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;
  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;
  }
}
