from itertools import product

N = int(input())
E = list(map(int,input().split()))
ans = 'No'
for nums in product(range(3),repeat=N):
  A,B,C = 0,0,0
  for i in range(N):
    if nums[i] == 0:
      A += E[i]
    elif nums[i] == 1:
      B += E[i]
    else:
      C += E[i]
  if A == B == C:
    ans = 'Yes'
    break

print(ans)