#include <bits/stdc++.h>
using namespace std;
const long long mod = 1000000007;
template <typename T>
using vc = vector<T>;
using pii = pair<long long, long long>;
signed main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long a, b, second;
  cin >> a >> b >> second;
  long long nb = abs(a) + abs(b);
  long long pos = 1;
  if (second < nb || nb % 2 != second % 2) pos = 0;
  if (pos)
    cout << "Yes\n";
  else
    cout << "No\n";
  return 0;
}
