using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter a discounted price: ");

        int dPrice = Int32.Parse(Console.ReadLine());

        Console.WriteLine("Please enter the discount %: (Do not include the '%' symbol)");

        int discount = Int32.Parse(Console.ReadLine());

        double opposite = 100 - discount;

        opposite = opposite / 100.0;

        double final = dPrice / opposite;

        Console.WriteLine(final);

    }

}