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[] pt = input.Split(' ');
            int price = int.Parse(pt[0]);
            int taxp = int.Parse(pt[1]);
            int inctax = (price * (taxp+100) / 100);
            Console.WriteLine(inctax);
        }
    }
}