using System;

public class Program

{

    public static void Main()

    {

    double fenceNumbers;

    double perimeter;

    double length;

    double width;

    Console.WriteLine("Hello and welcome to the garden fence calculator:");

    Console.WriteLine("What is the length of your garden?");

    length=Convert.ToDouble(Console.ReadLine());

    Console.WriteLine("What is the width of your garden?");

    width=Convert.ToDouble(Console.ReadLine());

    perimeter=(length*2)+width;

    fenceNumbers=perimeter/1.5;

    Console.WriteLine("You will need {0} panels for your garden fence",Math.Round(fenceNumbers));

    }

}