#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int x, y, s;
  cin >> x >> y >> s;
  x = abs(x);
  y = abs(y);
  s -= (x + y);
  if (s < 0) {
    cout << "No" << endl;
    return 0;
  }
  if (s % 2 == 0) {
    cout << "Yes" << endl;
  } else
    cout << "No" << endl;
  return 0;
}
