import sys
n = int(input())
bit = input().split()

if n >= 4:
  print('No')
  sys.exit()
else:
  for i in range(3):
    if bit[i] == bit[(i+1)%3] + bit[(i+2)%3]:
      print('Yes')
      sys.exit()
  for i in range(3):
    if bit[i] == 0 and bit[(i+1)%3] == bit[(i+2)%3]:
      print('Yes')
      sys.exit()

print('No')
      