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

for pair in product(range(3), repeat=N):
    sum = [0, 0, 0]
    for i, p in enumerate(pair):
        sum[p] += A[i]
    if sum[0] == sum[1] == sum[2]:
        print("Yes")
        exit()
print("No")