N = int(input())
E = list(map(int, input().split()))
for i in range(3**N):
    cls = [-1]*N
    for j in reversed(range(N)):
        cls[j] = i//(3**j)
        i %= 3**j
    sm = [0, 0, 0]
    for k in range(N):
        sm[cls[k]] += E[k]
    if sm[0]==sm[1]==sm[2]:
        print('Yes')
        exit()
print('No')