using System;

namespace test
{
    class MainClass
    {
        static void Main (string[] args)
        {
            string[] X;
            int N, D;
            X = Console.ReadLine().Split(' ');
            N = int.Parse (X [0]);
            D = int.Parse (X [1]);
            Console.Write (N + N * 0.01 * D);
        }
    }
}