#include <bits/stdc++.h>
using namespace std;
void open() {
  freopen("A.in", "r", stdin);
  freopen("A.out", "w", stdout);
}
void close() {
  fclose(stdin);
  fclose(stdout);
}
int a, b, s;
int main() {
  scanf("%d", &a);
  scanf("%d", &b);
  if (a < 0) a = -a;
  if (b < 0) b = -b;
  scanf("%d", &s);
  if (s < (a + b)) {
    printf("No\n");
    return 0;
  } else if ((s - (a + b)) % 2 == 0) {
    printf("Yes\n");
    return 0;
  } else {
    printf("No\n");
  }
  return 0;
}
