using System;

​

namespace NumbersInCSharp

{

   public class Program

    {

       public static void WorkingWithIntegers()

        {

            int a = 18;

            int b = 6;

            // addition

            int c = a + b;

            Console.WriteLine(c);

            // subtraction

            c = a - b;

            Console.WriteLine(c);

            // multiplication

            c = a * b;

            Console.WriteLine(c);

            // division

            c = a / b;

            Console.WriteLine(c);

        }

​

       public static void Main(string[] args)

        {

            WorkingWithIntegers();

        }

    }

}