function Main(input) {
	input = input.trim().split(" ").map((a)=>Number(a));
  var A = input[0];
  var B = input[1];
  var C = input[2];
  if((A+B==C) || (A+C==B) || (B+C==A)){
     console.log("Yes");
     }else{
     console.log("No");
     }
}

Main(require("fs").readFileSync("/dev/stdin", "utf8"));
