#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, s;
  cin >> a >> b >> s;
  int ab_mod2;
  int s_mod2;
  ab_mod2 = (a + b) % 2;
  s_mod2 = s % 2;
  if (s >= abs(a) + abs(b) && (s - (abs(a) + abs(b))) % 2 == 0) {
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
}
