open Batteries
let () =
  let a,b,c = Scanf.scanf "%d %d %d " (fun a b c -> a,b,c) in
  let lst = List.sort compare [a;b;c] in
  Printf.printf "%s\n" @@
  if List.nth lst 2 = ((List.nth lst 0) + (List.nth lst 1)) then "Yes" else "No"
