n = gets.to_i
es = gets.split.map(&:to_i)

ps = [0, 0, 0]
(0...(3 ** n)).each do |s|
  ps[0] = 0
  ps[1] = 0
  ps[2] = 0
  n.times.each do |i|
    ps[s % 3] += es[i]
    s /= 3
  end
  if ps[0] == ps[1] && ps[1] == ps[2]
    puts 'Yes'
    exit
  end
end
puts 'No'