#include <bits/stdc++.h>
using namespace std;
void _main(int tc) {
  int a, b, c;
  cin >> a >> b >> c;
  if ((a + b + c) % 2 == 0) {
    cout << "YES" << '\n';
  } else {
    cout << "NO" << '\n';
  }
}
int main() {
  ios_base::sync_with_stdio(0), cin.tie(0);
  _main(0);
  return 0;
  int tc;
  cin >> tc;
  for (int i = 0; i < tc; i += 1) _main(i + 1);
}
