n = int(input())
e = list(map(int, input().split()))

for bit in range(3 ** n):
    p = [0]*3
    nw = bit
    for i in range(n):
        nw, c = divmod(nw, 3)
        p[c] += e[i]
    if p[0] == p[1] and p[1] == p[2]:
        print('Yes')
        exit()

print('No')