#include <bits/stdc++.h>
using namespace std;
void solve() {
  int a, b, s;
  scanf("%d%d%d", &a, &b, &s);
  a = abs(a);
  b = abs(b);
  if (a + b > s)
    puts("No");
  else if ((s - a - b) % 2 == 0)
    puts("Yes");
  else
    puts("No");
}
int main() {
  int tt;
  tt = 1;
  for (int _ = 1; _ <= tt; ++_) {
    solve();
  }
  return 0;
}
