#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, d;
  while (~scanf("%d%d%d", &a, &b, &d)) {
    bool flag = false;
    int tot = abs(a) + abs(b);
    int left = d - tot;
    if (left >= 0) {
      if (left % 2 == 0) flag = true;
    }
    if (flag)
      puts("Yes");
    else
      puts("No");
  }
  return 0;
}
