#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e9;
const long long inf64 = 1e18;
const long long MOD = inf + 7;
const long double PI = acos(-1.0);
int32_t main() {
  ios::sync_with_stdio(false), cin.tie(nullptr);
  ;
  long long x, y, s;
  cin >> x >> y >> s;
  x = abs(x);
  y = abs(y);
  long long t = s - x - y;
  if (t >= 0 && t % 2 == 0)
    cout << "Yes";
  else
    cout << "No";
}
