N, M, X, Y = gets.split.map(&:to_i)
A = gets.split.map(&:to_i).sort.reverse
fixed = []
stock = []

A.each do |a|
  next if a <= Y

  if a >= X
    fixed << a
  else
    stock << a
  end
end

if fixed.size > M
  puts 'Handicapped'
  exit
end

r = M - fixed.size
puts fixed.sum + stock.take(r).sum