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

namespace yukicoderTest
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            string input2 = Console.ReadLine();
            double percent = int.Parse(input);
            int minute = int.Parse(input2);
            double total = 0;
            total = minute/((100-percent)/100);

            Console.WriteLine((int)total);
        }

    }
}