from itertools import product

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

for p in product([0, 1, 2], repeat=N):
    t = [0] * 3
    for i in range(N):
        t[p[i]] += E[i]
    if t[0] != t[1] or t[1] != t[2] or t[0] != t[2]:
        continue
    print('Yes')
    break
else:
    print('No')