2017_September_17 Birthday

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

namespace Birthday
{
    class Program
    {
        static void Main(string[] args)
        {
            var lenght = double.Parse(Console.ReadLine());
            var width = double.Parse(Console.ReadLine());
            var height = double.Parse(Console.ReadLine());
            var percent = double.Parse(Console.ReadLine());

            double volume = lenght * width * height;
            double totaLiters = volume * 0.001;
            double reaLiters = totaLiters * (1 - (percent*0.01));

            Console.WriteLine("{0:f3}" ,reaLiters);

        }
    }
}