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

namespace yukicoder_56 {
    class Program {
        static void Main(string[] args) {
            string[] s = Console.ReadLine().Split(' ');
            int D = int.Parse(s[0]);
            int P = int.Parse(s[1]);
            float tax = 1 + (float)P / 100;
            float C = D * tax;
            double cost = Math.Floor(C);
            Console.WriteLine(cost);
            Console.ReadLine();
        }
    }
}