#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e18 + 7;
const long long mods = 1e9 + 7;
const double eps = 1e-10;
const double PI = 2 * acos(0.0);
const double E = 2.71828;
inline void init() {
  ios::sync_with_stdio(false);
  cin.tie(0);
}
int gcd(int a, int b) { return b ? gcd(b, a % b) : a; }
int lcm(int a, int b) {
  int temp = gcd(a, b);
  return temp ? (a / temp * b) : 0;
}
int main() {
  init();
  int a, b, c;
  cin >> a >> b >> c;
  if (c < abs(a) + abs(b) || (c - abs(a) - abs(b)) % 2)
    cout << "No" << endl;
  else
    cout << "Yes" << endl;
  return 0;
}
