using System;

public class Program

{

    public static void Main(string[] args)

    {

        Console.WriteLine("Enter an operation: + - * /");

        string operation = Console.ReadLine();

        switch (operation)

        {

            case "+" :

                Console.WriteLine("You chose to add");

                break;

            case "-" :

                Console.WriteLine("You chose to subtract");

                break;

            case "*" :

                Console.WriteLine("You chose to multiply");

                break;

            case "/" :

                Console.WriteLine("You chose to divide");

                break;

            default:

                Console.WriteLine("There is no such operation");

                break;

            //Switch allows program to evaluate an expression, and match it to its specific values

            //used when a finite set of values; alternative to if/else

        }

    }

}