n = gets.to_i e = gets.chomp.split(" ").map(&:to_i) [0,1,2].repeated_permutation(n) do |arr| sum = [0]*3 n.times do |i| sum[arr[i]] += e[i] end if sum[0] == sum[1] && sum[1] == sum[2] puts "Yes" exit end end puts "No"