using System;

public class Program

{

    public static void Main()

    //Question 1

    {

        int iProduct = 1;

        for (int i = 2; i< 13; i=i+2)

        {

            iProduct = iProduct * i;

        }

        Console.WriteLine("Product of all even numbers under 12 is {0}", iProduct);

    //Question 2

        int number = 1;

        int Sum = 0;

        while (number < 4)

        {

            Console.WriteLine("Please input a integer");

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

            Sum = Sum + num;

            number++;

        }

        Console.WriteLine("The Sum is {0}",Sum);

​

    }

}

​

​