n = int(input())
A = [int(i) for i in input().split()]
sum_A = sum(A)
if sum_A%3:
    print("No")
    exit()
for bit1 in range(1<<n):
    tmp = 0
    used = []
    for i in range(n):
        if (bit1>>i)&1:
            tmp += A[i]
            used.append(i)
    if tmp == sum_A//3:
      for bit2 in range(1<<n):
        tmp2 = 0
        for j in range(n):
          if (bit2>>j)&1:
            tmp2 += A[j]
            if j in used:
              tmp2 -= A[j]
        if tmp == tmp2:
          print("Yes")
          exit()
print("No")