from itertools import product
n=int(input())
a=list(map(int,input().split()))
f=False
for bit in product(range(3),repeat=n):
    x=y=z=0
    for i in range(n):
        if bit[i]==0:
            x+=a[i]
        elif bit[i]==1:
            y+=a[i]
        else:
            z+=a[i]
    if x==y==z:
        f=True
        break
print('Yes' if f else 'No')