using System;

public class Program

{

    public static void Main()

    {

        string colour = Console.ReadLine();

        string size = Console.ReadLine();

        int boxes = int.Parse(Console.ReadLine());

        if (colour=="Red")

        {

            if (size=="Small")

            {

            double rsp = boxes*1.50;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rsp:F2}lv.");

            if (rsp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rsp*0.10:F2}lv.");

            }

            }

            else if (size=="Medium")

            {

            double rmp = boxes*2.20-(boxes*2.20)*0.05;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rmp:F2}lv.");

            if (rmp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rmp*0.10:F2}lv.");

            }

            }

            else if (size=="Large")

            {

            double rlp = boxes*3.70;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rlp:F2}lv.");

            if (rlp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {rlp*0.10:F2}lv.");

            }

            }   

        }

        if (colour=="Blue")

        {

            if (size=="Small")

            {

            double bsp = boxes*1.30;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {bsp:F2}lv.");

            if (bsp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {bsp*0.10:F2}lv.");

            }

            }

            else if (size=="Medium")

            {

            double bmp = boxes*1.80-(boxes*1.80)*0.05;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {bmp:F2}lv.");

            if (bmp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {bmp*0.10:F2}lv.");

            }

            }

            else if (size=="Large")

            {

            double blp = boxes*2.10;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {blp:F2}lv.");

            if (blp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {blp*0.10:F2}lv.");

            }   

            }

        }

        if (colour=="Green")

        {   

            if (size=="Small")

            {

            double gsp = boxes*2.50;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {gsp:F2}lv.");

            if (gsp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {gsp*0.10:F2}lv.");

            }

            }

            else if (size=="Medium")

            {

            double gmp = boxes*3.60-(boxes*3.60)*0.05;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {gmp:F2}lv.");

            if (gmp>=30)

            {

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {gmp*0.10:F2}lv.");

            }

            }

            else if (size=="Large")

            {

            double glp = boxes*5.20;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {glp:F2}lv.");

            if (glp>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {glp*0.10:F2}lv.");

            }

            if (boxes >=10)

            {

            double glpd = boxes*5.20-(boxes*5.20)*0.25;

            Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {glpd:F2}lv.");

            if (glpd>=30)

            {

                Console.WriteLine($"You bought {boxes} boxes of {colour} candy for {glpd*0.10:F2}lv.");

            }

            }

         }

 }                  

}

}