#!/usr/bin/env python3
# from typing import *

import sys
import io
import math
import collections
import decimal
import itertools
import bisect
import heapq


def input():
    return sys.stdin.readline()[:-1]


# sys.setrecursionlimit(1000000)

# _INPUT = """# paste here...
# """
# sys.stdin = io.StringIO(_INPUT)

INF = 10**10

YES = 'Yes'
NO = 'No'

def solve(N, E):
    for pat in itertools.product(range(3), repeat=N):
        p = [0] * 3
        for i in range(N):
            p[pat[i]] += E[i]
        if p[0] == p[1] == p[2]:
            return 'Yes'
    return 'No'



N = int(input())
E = list(map(int, input().split()))
print(solve(N, E))