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

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            string s = Console.ReadLine();
            string[] t = s.Split(' ');
            long D = long.Parse(t[0]);
            double P = double.Parse(t[1]) / 100;
            int ans = (int)(D + (D * P));


            Console.WriteLine(ans);
            Console.ReadLine();

        }
    }
}