using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace algo {
    class Program
    {
        static void Main(string[] args)
        {
            string[] N = Console.ReadLine().Split(' ');

            double D = double.Parse(N[0]);
            double P = double.Parse(N[1]) * 0.01;
            double ans;

            ans = D + D * P;
            ans = Math.Floor(ans);
            Console.WriteLine(ans);
        }
    }
}