C# Display Absolute Value of a Number

using System;
 
namespace Program
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            int num;

            Console.Write("Enter a number: ");
            num = Convert.ToInt32(Console.ReadLine());

            if (num < 0)
            {
                num = num * -1;
            }
 
            Console.WriteLine("Absolute value: " + num);
            
            Console.ReadLine();
        }
    }
}

 

Output