from itertools import product
N = int(input())
E = list(map(int, input().split()))
flag = "No"
for z in product(range(3),repeat=N):
    D = {i:[] for i in range(3)}
    for i in range(N):
        D[z[i]].append(E[i])
    if sum(D[0])==sum(D[1])==sum(D[2]):
        flag = "Yes"    
        break
print(flag)