n=int(input())
A=list(map(int,input().split()))
from itertools import product
for bits in product([0,1,2],repeat=n):
    a=[x for bit,x in zip(bits,A) if bit==0]
    b=[x for bit,x in zip(bits,A) if bit==1]
    c=[x for bit,x in zip(bits,A) if bit==2]
    if sum(a)==sum(b)==sum(c):
        print("Yes")
        exit()

print("No")