N = int(input())
E = list(map(int, input().split()))
P = sum(E)
if P % 3:
    print('No')
    exit()
P //= 3
Group = []
GroupSet = set()
for i in range(1 << N):
    p = 0
    for j in range(N):
        if i >> j & 1: p += E[j]
    if p == P:
        Group.append(i)
        GroupSet.add(i)
All = (1 << N) - 1
for i in range(len(Group)):
    for j in range(i):
        if Group[i] & Group[j] == 0 and All - Group[i] - Group[j] in GroupSet:
            print('Yes')
            exit()
print('No')