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]);
            int P = int.Parse(t[1]);
            long ans = D + (D * (P / 100));


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

        }
    }
}