using System;

public class Program

{

    public static void Main()

    {

        double cent =0;

        double inch =0;

        double result =0;

        Console.WriteLine("Program that converts inches to centimetres");

        Console.WriteLine("Please give a number to convert");

        inch = double.Parse(Console.ReadLine());

        if ((inch > 0) || (inch ==0))

        {

            result = inch* 2.54;

            Console.WriteLine("The result is:" + result);

        }

        else

        {

            Console.WriteLine("An error has occured please try again");

        }

            Console.ReadKey();

    }

}