from itertools import product

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

xs = [0, 0, 0]
for es in product([0, 1, 2], repeat=N):
    xs[0] = xs[1] = xs[2] = 0
    for i in range(N):
        xs[es[i]] += a[i]
    if xs[0] == xs[1] == xs[2]:
        print('Yes')
        break
else:
    print('No')