class Calc0056
  def initialize(args)
    args = args.map { |l| l.chomp.split(/\s+/) }
    @d, @p = args.shift.map(&:to_i)
  end

  def run
    (@d * (1 + @p / 100r)).floor
  end
end

puts Calc0056.new(STDIN.readlines).run if __FILE__ == $0