#include <bits/stdc++.h>
#pragma GCC optimize("O3")
const int INF = 1e9;
const int MOD = 1e9 + 7;
const int N = 1e5;
using namespace std;
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long a, b, s;
  cin >> a >> b >> s;
  a = abs(a);
  b = abs(b);
  if (a + b > s) {
    cout << "No\n";
  } else {
    if ((a + b) % 2 == s % 2)
      cout << "Yes\n";
    else
      cout << "No\n";
  }
  return 0;
}
