import itertools
n = int(input())
E = list(map(int,input().split()))


for i in itertools.product([0,1,2],repeat=n):
    l = [0]*3
    for j in range(n):
        l[i[j]] += E[j]
    if l[0] == l[1] == l[2]:
        print("Yes")
        exit()
print("No")