#include <bits/stdc++.h>
using namespace std;
int n, m, s;
int main() {
  scanf("%d%d%d\n", &n, &m, &s);
  s -= abs(n) + abs(m);
  if (s < 0 || s & 1)
    printf("No\n");
  else
    printf("Yes\n");
  return 0;
}
