using System;

public class Program

{

    public static void Main()

    {

        string product;

            Console.Write("Enter proudct name  ");

            product =Console.ReadLine();

            switch(product)

            {

                case "Pen":

                    Console.WriteLine("Prize is Rs:10");

                    break;

                case "Pencil":

                    Console.WriteLine("Prize is Rs:7");

                    break;

                case "Rubber":

                    Console.WriteLine("Prize is Rs:5");

                    break;

                case "Ruler":

                    Console.WriteLine("Prize is Rs:10");

                    break;

                default:

                    Console.WriteLine("Product is not availabel");

                    break;

            }

    }

}