import itertools

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

for lst in itertools.product(range(3), repeat = n):
    tot = [0] * 3
    for e, l in zip(elst, lst):
        tot[l] += e
    if tot[0] == tot[1] == tot[2]:
        print("Yes")
        exit()
print("No")