from itertools import product

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

for comb in product(range(3),repeat=N):
    a = [0] * 3
    for x in range(N):
        a[comb[x]] += E[x]
    if a[0] == a[1] == a[2]:
        print('Yes')
        exit()
print('No')