using System;
using System.Collections.Generic;
using System.Text;

class No56
{
    static void Main(string[] args)
    {
        string[] input = Console.ReadLine().Split(' ');
        float price = float.Parse(input[0]);
        float taxRate = float.Parse(input[1]) / 100;
        Console.WriteLine(Math.Floor(price + price * taxRate));
    }
}