from itertools import product
N = int(input())
E = list(map(int, input().split()))
sumE = sum(E)
if sumE%3 != 0:
    exit(print('No'))

for pat in product([0, 1, 2], repeat=N):
    total = [0]*3
    for i in range(N):
        total[pat[i]] += E[i]
    if total[0] == total[1] == total[2]:
        exit(print('Yes'))
print('No')