#include <bits/stdc++.h>
using namespace std;
int main() {
  int s, x, y;
  scanf("%d%d%d", &x, &y, &s);
  if (x == 0 && y == 0) {
    if (s % 2 == 0)
      printf("Yes");
    else
      printf("No");
  } else {
    int ch = abs(x - 0) + abs(y - 0);
    if ((s - ch) % 2 == 0 && s >= ch)
      printf("Yes");
    else
      printf("No");
  }
  return 0;
}
