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

namespace yukicoder
{
    class yc
    {
        //42,301281

        //519449
        //

        static void Main()
        {
            int K = int.Parse(Console.ReadLine());
            int S = int.Parse(Console.ReadLine())*100;
            
            Console.WriteLine(Math.Floor((100/(100.0-K)*S)/100));
        }
    }
}