from itertools import product
n=int(input())
a = list(map(int,input().split()))
cnt = 0
for p in product([0,1,2],repeat = n):
    t = [0]*3
    for i in range(n):
        t[p[i]] += a[i]

    if t[0] == t[1] == t[2]:
        print('Yes')
        exit()

print('No')