#include <bits/stdc++.h>
int main(void) {
  int a, b, c;
  scanf("%d %d %d", &a, &b, &c);
  a = abs(a);
  b = abs(b);
  if (a == 0 && b == 0) {
    if (c % 2 == 0)
      printf("Yes\n");
    else
      printf("No\n");
  } else if (a != 0 && b == 0) {
    if (c < a)
      printf("No\n");
    else if (a % 2 != 0 && c % 2 != 0) {
      printf("Yes\n");
    } else if (a % 2 == 0 && c % 2 == 0) {
      printf("Yes\n");
    } else
      printf("No\n");
  } else if (b != 0 && a == 0) {
    if (c < b)
      printf("No\n");
    else if (b % 2 != 0 && c % 2 != 0) {
      printf("Yes\n");
    } else if (b % 2 == 0 && c % 2 == 0) {
      printf("Yes\n");
    } else
      printf("No\n");
  } else if (((a % 2 == 0 && b % 2 == 0) || (a % 2 != 0 && b % 2 != 0)) &&
             c >= (a + b) && c % 2 == 0)
    printf("Yes\n");
  else if (((a % 2 == 0 && b % 2 != 0) || (a % 2 != 0 && b % 2 == 0)) &&
           c >= (a + b) && c % 2 != 0)
    printf("Yes\n");
  else
    printf("No\n");
  return 0;
}
