C# Multiply given Number by 4 using Bitwise Operators

using System;

namespace Program
{
    class Program
    {
        static void Main(string[] args)
        {
            int number, tempnum;

            Console.WriteLine("Enter an integer:");
            number = int.Parse(Console.ReadLine());

            tempnum = number;

            number = number << 2;

            Console.WriteLine("{0},{1}", tempnum, number);

            Console.ReadLine();
        }
    }
}

 

Output