from itertools import product

N=int(input())
E=list(map(int,input().split()))

X=0
for c in product((0,1,2),repeat=N):
    P=[0,0,0]

    for i in range(N):
        P[c[i]]+=E[i]

    if P[0]==P[1]==P[2]:
        X=1

print("Yes" if X else "No")