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

namespace No56tax
{
    class Program
    {
        static void Main(string[] args)
        {
            //値の入力
            string[] value = Console.ReadLine().Split(' ');

            int price = int.Parse(value[0]);
            double tax = double.Parse(value[1]);

            //消費税の計算
            double ans = price + (price * (tax / 100));

            //表示
            Console.WriteLine(Math.Floor(ans));

        }
    }
}