#include <bits/stdc++.h>
int main() {
  int candy[3];
  int i, j;
  int max;
  scanf("%d %d %d", &candy[0], &candy[1], &candy[2]);
  i = 1;
  j = 0;
  max = candy[0];
  while (i < 3) {
    if (candy[i] > max) {
      max = candy[i];
      j = i;
    }
    i++;
  }
  if (j == 2) {
    candy[2] = candy[0];
  }
  if (max == candy[1] + candy[2]) {
    printf("Yes\n");
  } else {
    printf("No\n");
  }
  return 0;
}
