using System;

public class Program

{

 public static void Main(string[] args)

    {

        int num1;

        int num2;

        string operand;

        float answer;

        Console.Write("Please enter the first integer: ");

        num1 = Convert.ToInt32(Console.ReadLine());

        Console.Write("Please enter an operand (+, -, /, *): ");

        operand = Console.ReadLine();

        Console.Write("Please enter the second integer: ");

        num2 = Convert.ToInt32(Console.ReadLine());

        switch (operand)

        {

            case "-":

                answer = num1 - num2;

                break;

            case "+":

                answer = num1 + num2;

                break;

            case "/":

                answer = num1 / num2;

                break;

            case "*":

                answer = num1 * num2;

                break;

            default:

                answer = 0;

                break;

          }

        Console.WriteLine(num1.ToString() + " " + operand + " " + num2.ToString() + " = " + answer.ToString());

        Console.ReadLine();

    }

}