#include <bits/stdc++.h>
using namespace std;
void wldd() {
  long long x, y, s;
  cin >> x >> y >> s;
  x = abs(x);
  y = abs(y);
  if (s >= x + y and (s - (x + y)) % 2 == 0)
    cout << "Yes"
         << "\n";
  else
    cout << "No"
         << "\n";
}
int32_t main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  wldd();
  return 0;
}
