using System;
using System.Collections.Generic;
using static System.Console;
namespace ConsoleApp
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] N =ReadLine().Split(' ');
            int K = int.Parse(N[0]);
            long S = long.Parse(N[1]);

            K = 100 - K;
            K = 100 / K;
            WriteLine(S * K);
        }
    }
}