using System;

​

namespace Cigg

{

    public class Program

    {

        public static void Main(string[] args)

        {

            string inputDiameter;

            string inputDimensionOne;

            string inputDimensionTwo;

            int diameter;

            int dimensionOne;

            int dimensionTwo;

            int area;

​

            Console.WriteLine("Cigarette Packing");

            Console.Write("Enter diameter of cigarette: ");

            inputDiameter = Console.ReadLine();

​

            if (Int32.TryParse(inputDiameter, out diameter) == true)

            {

                if ((diameter == 2) || (diameter == 1))

                {

                    Console.Write("Enter dimension value one: ");

                    inputDimensionOne = Console.ReadLine();

​

                    if (Int32.TryParse(inputDimensionOne, out dimensionOne) == true)

                    {

                        if (diameter == dimensionOne)

                        {

                            Console.Write("Enter dimension value two: ");

                            inputDimensionTwo = Console.ReadLine();

​

                            if (Int32.TryParse(inputDimensionTwo, out dimensionTwo) == true)

                            {

                                if (dimensionTwo == dimensionOne)

                                {

                                    Console.WriteLine("Maximum number of cigarettes to be packed: {0}", dimensionTwo);

                                }

                                else

                                {

                                    Console.WriteLine("Input error. Please enter a valid dimension two value.");

                                }

                            }

                            else

                            {

                                Console.WriteLine("Input error. Please enter a valid dimension two value.");

                            }

                        }

                        else

                        {

                            if (dimensionOne > 1)

                            {

                                Console.Write("Enter dimension value two: ");

                                inputDimensionTwo = Console.ReadLine();

​

                                if (Int32.TryParse(inputDimensionTwo, out dimensionTwo) == true)

                                {

                                    if (dimensionTwo > 1)

                                    {

                                        area = (dimensionOne / diameter) * (dimensionTwo / diameter);

                                        Console.WriteLine("Maximum number of cigarettes to be packed: {0}", area);

                                    }

                                    else

                                    {

                                        Console.WriteLine("Input error. Please enter a valid dimension two value.");

                                    }

                                }

                                else

                                {

                                    Console.WriteLine("Input error. Please enter a valid dimension two value.");

                                }

                            }

                            else

                            {

                                Console.WriteLine("Input error. Please enter a valid dimension one value.");

                            }

                        }

                    }

                }

                else

                {

                    Console.WriteLine("Input error. Please enter a valid diameter value.");

                }

            }

            else

            {

                Console.WriteLine("Input error. Please enter a valid diameter value.");

            }

        }

    }

}

​