def bits(p, n):
    a = [0] * n
    for i in range(pow(p, n)):
        x = i
        for j in range(n):
            a[j] = x % p
            x //= p
        yield a

input()
a = list(map(int, input().split()))

ok = False
for es in bits(3, len(a)):
    b = [0, 0, 0]
    for i in range(len(a)):
        b[es[i]] += a[i]
    if b[0] == b[1] == b[2]:
        ok = True
        break

print('Yes' if ok else 'No')