N = int(input())
E = list(map(int, input().split()))
from itertools import groupby, accumulate, product, permutations, combinations
ans = 'No'
for pro in product([0,1,2], repeat=N):
    lis = [0]*3
    for i,p in enumerate(pro): lis[p] += E[i]
    if lis[0]==lis[1]==lis[2]: 
        ans = 'Yes'
        break
print(ans)