#include <bits/stdc++.h>
using namespace std;
void err(istream_iterator<string> it) {}
template <typename T, typename... Args>
void err(istream_iterator<string> it, T a, Args... args) {
  cerr << *it << " = " << a << endl;
  err(++it, args...);
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  ;
  int a, b, s;
  cin >> a >> b >> s;
  a = abs(a);
  b = abs(b);
  if (((a + b) % 2 == 0 && s >= (a + b) && s % 2 == 0) ||
      ((a + b) % 2 == 1) && s >= (a + b) && s % 2 == 1)
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
  return 0;
}
