using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter the first number:");

        int num1=int.Parse(Console.ReadLine());

        Console.WriteLine("Enter the Second number:");

        int num2=int.Parse(Console.ReadLine());

        Console.WriteLine("Enter operator (+, -, *, /): ");

        string s=Console.ReadLine();

        switch(s)

        {

            case "+":

                Console.WriteLine("Addition:"+(num1+num2));

                break;

            case "-":

                Console.WriteLine("Subtraction:"+(num1-num2));

                break;

            case "*":

                Console.WriteLine("Multiplication:"+(num1*num2));

                break;

            case "/":

                Console.WriteLine("Division:"+(num1/num2));

                break;

        }

    }

}