import itertools
n=int(input())
e=list(map(int,input().split()))
bitdp=list(itertools.product([0,1,2],repeat=n))
t=0
for bit in bitdp:
    ans0=0
    ans1=0
    ans2=0
    bitlis=list(bit)
    for i in range(n):
        if bitlis[i]==0:
            ans0+=e[i]
        elif bitlis[i]==1:
            ans1+=e[i]
        else:
            ans2+=e[i]
    if ans0==(sum(e)/3) and ans1==(sum(e)/3) :
        print("Yes")
        t=1
        break
if t==0:
    print("No")