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

namespace yukicoder169
{
    class Program
    {
        static void Main(string[] args)
        {
            decimal k, s;

            k = decimal.Parse(Console.ReadLine());
            s = decimal.Parse(Console.ReadLine());

            decimal ans = Math.Floor(s / (1 - (k / 100)));
            Console.WriteLine(ans);
        }
    }
}