def main()
  n = gets.chomp.to_i
  inputL = gets.chomp.strip
  l = []
  sum = 0
  can_be_drawn = 'Yes'
  for i in 1..n do
    l[i] = inputL.split(' ').map(&:to_i)[i-1]
    sum += l[i]
  end

  for i in 1..n do
    can_be_drawn = 'No' if 2*l[i] >= sum
  end
  
  puts "#{can_be_drawn}"
end
main