BoxDataValidation

using System;

public class StartUp
{
    public static void Main()
    {
        double length = double.Parse(Console.ReadLine());
        double width = double.Parse(Console.ReadLine());
        double height = double.Parse(Console.ReadLine());

        var box = new Box(length, width, height);

        try
        {
            double surfaceArea = box.SurfaceArea();
            double lateralSurfaceArea = box.LateralSurfaceArea();
            double volume = box.Volume();

            Console.WriteLine($"Surface Area - {surfaceArea:f2}");
            Console.WriteLine($"Lateral Surface Area - {lateralSurfaceArea:f2}");
            Console.WriteLine($"Volume - {volume:f2}");
        }
        catch (ArgumentException argEx)
        {
            Console.WriteLine(argEx.Message);
        }
    }
}

using System;
using System.Collections.Generic;
using System.Text;

public class Box
{

    private double length;

    public double Length
    {
        set
        {
            if (value <= 0)
            {
                throw new ArgumentException("Length cannot be zero or negative.");
            }
            this.length = value;
        }
    }

    private double width;

    public double Width
    {
        set
        {
            if (value <= 0)
            {
                throw new ArgumentException("Width cannot be zero or negative.");
            }
            this.width = value;
        }
    }

    private double height;

    public double Height
    {
        set
        {
            if (value <= 0)
            {
                throw new ArgumentException("Height cannot be zero or negative.");
            }
            this.height = value;
        }
    }

    public Box(double length, double width, double height)
    {
        this.Length = length;
        this.Width = width;
        this.Height = height;
    }

    public double SurfaceArea()
    {
        double surfaceArea = 2 * length * width + 2 * length * height + 2 * width * height;
        return surfaceArea;
    }

    public double LateralSurfaceArea()
    {
        double lateralSurfaceArea = 2 * length * height + 2 * width * height;
        return lateralSurfaceArea;
    }

    public double Volume()
    {
        double volume = length * width * height;
        return volume;
    }
}