import itertools
n=int(input())
e=list(map(int,input().split()))
bitdp=list(itertools.product([0,1,2],repeat=n))
t=0
ans=[0,0,0]
for bit in bitdp:
    ans=[0,0,0]
    bitlis=list(bit)
    for i in range(n):
        ans[bitlis[i]]+=e[i]
    if ans[0]==ans[1] and ans[1]==ans[2] :
        print("Yes")
        t=1
        break
if t==0:
    print("No")