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

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