from itertools import product

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

ptn = product(range(3), repeat=n)

for p in ptn:
  A = sum(E[i] for i, g in enumerate(p) if g == 0)
  B = sum(E[i] for i, g in enumerate(p) if g == 1)
  C = sum(E[i] for i, g in enumerate(p) if g == 2)
  if A == B == C:
    print("Yes")
    exit()
print("No")