using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please choose a number");

        int nr1 = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Please choose another number");

        int nr2 = Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Do you want to (A) add or (B) multiply these numbers?");

        int total = 0;

        string input = Console.ReadLine();

        switch (input)

        {

            case "A":

                total = nr1 + nr2;

                break;

            case "B":

                total = nr1 * nr2;

                break;

        }

​

        Console.WriteLine("Your total is: " + total);

    }

}