using System;

public class Program

{

    public static void Main()

    {

        int choice;

            Console.WriteLine("Enter your choice:\n 1-Dollar to Rupee \n 2-Euro to Rupee \n 3-Malaysian Ringgit to Rupee ");

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

​

            switch (choice)

            {

                case 1:

                    Double dollar, rupee, val1;

                    Console.WriteLine("Enter the dollar amount");

                    dollar = double.Parse(Console.ReadLine());

                    Console.WriteLine("Enter the dollar value");

 val1 = double.Parse(Console.ReadLine());

                    rupee = dollar * val1;

                    Console.WriteLine("{0} Dollar Equals {1} Rupees", dollar, rupee);

                    break;

                case 2:

                    Double euro, rupee2, val2;

                    Console.WriteLine("Enter the Euro amount");

                    euro = double.Parse(Console.ReadLine());

                    Console.WriteLine("Enter the Euro value");

                    val2 = double.Parse(Console.ReadLine());

                    rupee2 = euro * val2;

                    Console.WriteLine("{0} Euro Equals {1} Rupees", euro, rupee2);

                    break;

                    case 3:

                    Double ringit, rupee3, val3;

                    Console.WriteLine("Enter the ringgit amount");

                    ringit = double.Parse(Console.ReadLine());

                    Console.WriteLine("Enter the ringgit value");

                    val3 = double.Parse(Console.ReadLine());

                    rupee3 = ringit * val3;

                    Console.WriteLine("{0} Malaysian Ringgit Equals {1} Rupees", ringit, rupee3);

                    break;

                    default:

                    Console.WriteLine("Invalid Choice");

                    break;

            }

        Console.ReadLine();

    }

}