import itertools

n = int(input())
e = list(map(int, input().split()))

flag = False
for num in itertools.product(range(3), repeat=n):
    a, b, c = 0, 0, 0
    
    for i in range(n):
        if num[i] == 0:
            a += e[i]
        elif num[i] == 1:
            b += e[i]
        elif num[i] == 2:
            c += e[i]

    if a == b == c:
        flag = True
        break

print("Yes" if flag else "No")