n = int(input())
e = list(map(int, input().split()))

s = sum(e)
if s % 3 != 0:
  print("No")
  exit()

score = [0 for _ in range(1 << n)]
for mask in range(1 << n):
  cnt = 0
  for i in range(n):
    if (mask >> i) & 1 != 0:
      cnt += e[i]

  score[mask] = cnt

for mask in range(1 << n):
  if score[mask] == s // 3:
    sub = ((1 << n) - 1) & (~ mask)
    cur = sub
    while cur > 0:
      cur = (cur - 1) & sub
      if score[cur] == s // 3:
        print("Yes")
        exit()

print("No")