using System;

using System.Collections.Generic;

using System.Linq;

using System.Security.Cryptography.X509Certificates;

using System.Text;

using System.Threading.Tasks;

​

namespace Exercise_1

{

    public class Program

    {

        static public void Main(string[] args)

        {

            string command = "";

            do

            {

                Console.WriteLine("Dostępne opcje: dodawanie, odejmowanie, mnożenie, dzielenie");

                command  = Console.ReadLine();

                if (command == "dodawanie")

                {

                    Console.WriteLine("Podaj pierwsza liczbe: ");

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

                    Console.WriteLine("Podaj drugą liczbe: ");

                    int intTemp2 = Convert.ToInt32(Console.ReadLine());

                    Calc c = new Calc();

                    Console.WriteLine(c.Add(intTemp, intTemp2));

                }

            } while (command != "exit");

        }

    }

​

    class Calc

    {

        public int Add(int a, int b)

        {

            return a + b;

        }

        public int Sub(int a, int b)

        {

            return a - b;

        }

        public int Mul(int a, int b)

        {

            return a * b;

        }

        public int Div(int a, int b)

        {

            return a / b;

        }

    }

}

​

​

​