import scala.math.pow

object Main extends App {
  val sc = new java.util.Scanner(System.in)
  val n = sc.nextInt
  val p = Array.fill(n)(sc.nextInt)

  implicit class PowerInt(i: Int) {
    def ** (b: Int): Int = pow(i, b).intValue
  }

  var flag = false
  for (i <- 0 until 3 ** n) {
    var pa = 0
    var pb = 0
    var pc = 0
    var state = i
    for (j <- 0 until n) {
      if (state % 3 == 0) {
        pa = pa + p(j)
      } else if (state % 3 == 1) {
        pb = pb + p(j)
      } else {
        pc = pc + p(j)
      }
      state /= 3
    }
    if (pa == pb && pb == pc) {
      flag = true
    }
  }
  if (flag) {
    println("Yes")
  } else {
    println("No")
  }
}