using System.Collections.Generic;
using System;
using System.Drawing;
using System.Runtime.Intrinsics.X86;

namespace yukicoder
{
    class Program
    {

        static void Main(string[] args)
        {


            int K = int.Parse(Console.ReadLine());
            int S = int.Parse(Console.ReadLine());

            double n = S / (100 - K);//37
            double num = S % (100 - K);//48
            double amari = num / (100 - K);//0.5

            Console.WriteLine(Math.Floor((amari + n) * 100));
        }
    }
   
}