from itertools import product

n = int(input())
e = list(map(int, input().split()))

for g in product(range(3), repeat=n):
    p = [0] * 3
    for i in range(n):
        p[g[i]] += e[i]
    if p[0] == p[1] and p[1] == p[2]:
        print('Yes')
        exit()
print('No')