package main

import (
	"bufio"
	"fmt"
	"os"
)

var reader = bufio.NewReader(os.Stdin)
var writer = bufio.NewWriter(os.Stdout)

func pow(a, x int) int {
	r := 1
	for x > 0 {
		if x&1 == 1 {
			r *= a
		}
		a *= a
		x >>= 1
	}
	return r
}

func toDigits(x, base int) []int {
	if x == 0 {
		return []int{0}
	}

	ans := make([]int, 0)
	for x != 0 {
		ans = append(ans, x%base)
		x = x / base
	}
	return ans
}

func main() {
	defer writer.Flush()

	var n int
	fmt.Fscan(reader, &n)

	var a = make([]int, n)
	for i := 0; i < n; i++ {
		fmt.Fscan(reader, &a[i])
	}

	for i := 0; i < pow(3, n); i++ {
		b, c, d := 0, 0, 0
		for j, v := range toDigits(i, 3) {
			switch v {
			case 0:
				b += a[j]
			case 1:
				c += a[j]
			case 2:
				d += a[j]
			}

		}

		if b == c && c == d {
			fmt.Fprintf(writer, "%v\n", "Yes")
			return
		}
	}
	fmt.Fprintf(writer, "%v\n", "No")
}