using System;
using System.Collections.Generic;
using System.Linq;

namespace PracticeAtCoder
{
    class Program
    {
        static void Main(string[] args)
        {
			
			
			//中央値
			string sA = Console.ReadLine();
			string[] tA = sA.Split(' ');
			
			double sumA = 0;
			sumA = double.Parse(tA[0]) /100 * double.Parse(tA[1]);
			
			int sumB = int.Parse(tA[0]) + (int)sumA;
				Console.WriteLine(sumB);
		}
    }
}