#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int x, y, s;
  cin >> x >> y >> s;
  if (x < 0) x = x * -1;
  if (y < 0) y = y * -1;
  long long int d = x + y;
  if (d == 0) {
    if (s % 2 == 0)
      cout << "Yes";
    else
      cout << "No";
    return 0;
  }
  if (s < d) {
    cout << "No";
    return 0;
  }
  long long int val = s - d;
  if (val == 0) {
    cout << "Yes";
    return 0;
  }
  if (val % 2 == 0)
    cout << "Yes";
  else
    cout << "No";
}
