from itertools import product

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

for p in product(range(3), repeat=N):
    group = [0, 0, 0]
    for e, g in zip(E, p):
        group[g] += e
    if group[0] == group[1] == group[2]:
        print("Yes")
        break
else:
    print("No")