ImpressTheGirlfriend

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

namespace ConsoleApplication1
{
    class ImpressTheGirlfriend
    {
        static void Main()
        {
            decimal r = decimal.Parse(Console.ReadLine());
            decimal d = decimal.Parse(Console.ReadLine());
            decimal e = decimal.Parse(Console.ReadLine());
            decimal b = decimal.Parse(Console.ReadLine());
            decimal m = decimal.Parse(Console.ReadLine());
                r = r / 100 * 3.5M;
                d = d * 1.5M;
                e = e * 1.95M;
                b = b / 2;

            Console.WriteLine("{0:f2}" , Math.Ceiling(Math.Max(Math.Max(r , Math.Max(d , m)) , Math.Max(e , b))));
        }
    }
}