import * as fs from "fs"

// const input: string = require('fs').readFileSync('/dev/stdin', 'utf8')

// const input: string = require('fs').readFileSync('./input.txt', 'utf8')

function Main(input: string) {
  const [a, b, c] = input.split(" ").map(num => parseInt(num, 10)).sort((a, b) => a - b)

  if (a + b === c) {
    console.log("Yes")
  }
  else {
    console.log("No")
  }
}

try {
  Main(fs.readFileSync('/dev/stdin', 'utf8'))
}
catch{
  Main(fs.readFileSync('./input.txt', 'utf8'))
}
