#include <bits/stdc++.h>
using namespace std;
int a, b, s;
bool check(int a, int b, int s) {
  int stmp = 0;
  stmp += max(a, -a);
  stmp += max(b, -b);
  if (s < stmp) {
    return false;
  } else if ((s - stmp) % 2 == 0) {
    return true;
  } else {
    return false;
  }
}
int main() {
  cin >> a >> b >> s;
  if (check(a, b, s)) {
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
  return 0;
}
