function main(input) {
  input=input.trim();
  const a = parseInt(input.split(" ")[0], 10);
  const b = parseInt(input.split(" ")[1], 10);
  const c = parseInt(input.split(" ")[2], 10);
if(a==c||b==c||a+b==c){
  console.log("Yes");
}else{
  console.log("No");
}

}
main(require('fs').readFileSync('/dev/stdin', 'utf8'));

