#include <bits/stdc++.h>
using namespace std;
int x[1000005];
string number[20] = {"zero",    "one",     "two",       "three",    "four",
                     "five",    "six",     "seven",     "eight",    "nine",
                     "ten",     "eleven",  "twelve",    "thirteen", "fourteen",
                     "fifteen", "sixteen", "seventeen", "eighteen", "nineteen"};
int main() {
  int x, y, z;
  cin >> x >> y >> z;
  int tp = abs(x) + abs(y);
  if ((z - tp) % 2 == 0 && z >= tp)
    cout << "Yes";
  else
    cout << "No";
}
