import java.io.PrintWriter
import java.util.*
import kotlin.math.*

fun PrintWriter.solve() {
    val n = nextInt()
    val e = Array(n) { nextInt() }
    val pow = Array(n) { 3 }.fold(1, Int::times)
    for (i in 0 until pow) {
        var pa = 0
        var pb = 0
        var pc = 0
        var k = i
        for (j in 0 until n) {
            if (k % 3 == 0) {
                pa += e[j]
            } else if (k % 3 == 1) {
                pb += e[j]
            } else {
                pc += e[j]
            }
            k /= 3
        }
        if (pa == pb && pb == pc) {
            println("Yes")
            return
        }
    }
    println("No")
}

fun main() {
    val writer = PrintWriter(System.out, false)
    writer.solve()
    writer.flush()
}

// region Scanner
private var st = StringTokenizer("")
private val br = System.`in`.bufferedReader()

fun next(): String {
    while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine())
    return st.nextToken()
}

fun nextInt() = next().toInt()
fun nextLong() = next().toLong()
fun nextLine() = br.readLine()
fun nextDouble() = next().toDouble()
// endregion