def bit_combination(n,base=2):
    rt=[]
    for tb in R(base**n):s=[tb//(base**bt)%base for bt in R(n)];rt+=[s]
    return rt

n=int(input())
e=[int(i)for i in input().split()]
f=1
for x in bit_combination(n,3):
    a=[0]*3
    for i in range(n):a[x[i]]+=e[i]
    if len(set(a))==1:f=0
print('YNeos'[f::2])