n=int(input())
e=list(map(int,input().split()))
ans="No"
for bit in range(3**n):
    a=0
    b=0
    c=0

    for i in range(n):
        if bit%3==0:a+=e[i]
        elif bit%3==1:b+=e[i]
        else:c+=e[i]
        bit//=3
    if a==b==c:ans="Yes"

print(ans)