lib C
  fun strtoll(s : UInt8*, p : UInt8**, b : Int32) : Int64
end

class String
  def to_i64
    C.strtoll(self, nil, 10)
  end
end

n, m, x, y = read_line.split.map(&.to_i64)
a = read_line.split.map(&.to_i64).select { |i| i > y }
can = a.count { |i| i < x }
if a.size - can <= m
  puts a.sort.reverse[0, m].sum
else
  puts "Handicapped"
end