N = int(input())
E = list(map(int, input().split()))

flag = False

for bit in range(1 << N):
    pa = 0
    for i in range(N):
        if not (bit >> i) & 1:
            pa += E[i]

    subbit = bit

    while not flag:
        pb = 0
        pc = 0
        for i in range(N):
            if (subbit >> i) & 1:
                pb += E[i]
            if ((subbit ^ bit) >> i) & 1:
                pc += E[i]

        if pa == pb == pc:
            flag = True
            break

        if subbit == 0:
            break

        subbit = (subbit - 1) & bit

if flag:
    print('Yes')

else:
    print('No')