# No.1594 Three Classes
# https://yukicoder.me/problems/no/1594

# Step #1. 入力
N = int(input())
E = list(map(int,input().split()))

# Step #2. 前処理
power3 = [0] * (N+1)
power3[0] = 1
for i in range(1,N+1):
    power3[i] = 3 * power3[i-1]

# Step #3. 探索
for i in range(power3[N]):
    sumA = 0
    sumB = 0
    sumC = 0
    for j in range(N):
        bit = (i // power3[j]) % 3
        if bit == 0:
            sumA += E[j]
        if bit == 1:
            sumB += E[j]
        if bit == 2:
            sumC += E[j]
    if sumA == sumB and sumB == sumC:
        print('Yes')
        exit()
print('No')