elemLength = gets
input2 = gets.chomp
array = input2.split(' ').map{|a| a.to_i}
arrMax = input2.split(' ').map{|a| a.to_i}.max
array.delete(array.max)
i = 0
array.each do |arr|
  i += arr
end
p "Yes" if arrMax < i
p "No" if arrMax == i or arrMax > i
