#include <bits/stdc++.h>
int main(void) {
  int a, b, c;
  scanf("%d%d%d", &a, &b, &c);
  if ((a + b + c) % 2 == 0 && a + b + c != 1) {
    printf("Yes\n");
  } else
    printf("No\n");
  return 0;
}
