n = int(input())
e = list(map(int, input().split()))
for i in range(1 << n):
    a = 0
    t = []
    for j in range(n):
        if (i >> j) & 1:
            a += e[j]
        else:
            t.append(j)
    for j in range(1 << len(t)):
        b, c = 0, 0
        for k in range(len(t)):
            if (j >> k) & 1:
                b += e[t[k]]
            else:
                c += e[t[k]]
        if a == b == c:
            print('Yes')
            exit(0)
else:
    print('No')