from itertools import product
N = int(input())
E = list(map(int, input().split()))

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