from itertools import *

N = int(input())
E = list(map(int, input().split()))
for tup in product(range(3), repeat=N):
    S = [0] * 3
    for i in range(N):
        S[tup[i]] += E[i]
    if S[0] == S[1] == S[2]:
        print("Yes")
        exit()
print("No")