seddik

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace salary
{
    class Program
    {

seddik

string width = Console.ReadLine();

if(width>20)
{
 Console.WriteLine("Sorry you can't park in this garage, you truck is too wide :(");
}
else
{
 Console.WriteLine("All is ok, you can park safely, and don't forget to turn your engine off :)");
}

seddik

 static void Main(string[] args)
        {
            Console.Write("Entrer botre : ");

            string my_line = Console.ReadLine();

            int mon_num = int.Parse(my_line);

            Console.WriteLine(mon_num * 2);