using System;
using System.IO;
using System.Linq;

namespace yukicore
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var tmp = Console.ReadLine()
                .Split(' ').Select(x => int.Parse(x))
                .ToArray();

            decimal n =0.01m* tmp[0] * (100 + tmp[1]);
           
            Console.WriteLine(Math.Floor(n));
        }

   
    }
}