using System;

public class Program

{

    public static void Main()

    {

        int a = Convert.ToInt32(Console.ReadLine());

        int b = Convert.ToInt32(Console.ReadLine());

        switch(a){

        case 1:

                Console.WriteLine("Total: R$ " + (4.00 * b).ToString("F2"));

                break;

        case 2:

                Console.WriteLine("Total: R$ " + (4.50 * b).ToString("F2"));

                break;

        case 3:

                Console.WriteLine("Total: R$ " + (5.00 * b).ToString("F2"));

                break;

        case 4:

                Console.WriteLine("Total: R$ " + (2.0 * b).ToString("F2"));

                break;

        case 5:

                Console.WriteLine("Total: R$ " + (1.50 * b).ToString("F2"));

                break;

        }

    }

}