#include <bits/stdc++.h>
static inline int ri() {
  int a;
  scanf("%d", &a);
  return a;
}
static inline int64_t rs64() {
  int64_t a;
  scanf("%" SCNd64, &a);
  return a;
}
static inline void wi(int a) { printf("%d", a); }
static inline void wu64(uint64_t a) { printf("%" PRIu64, a); }
int main() {
  int a = ri();
  int b = ri();
  int c = ri();
  bool res = false;
  if (a == c || b == c || a + b == c) res = true;
  printf("%s", res ? "Yes" : "No");
  return 0;
}
