using System;

public class Program

{

    public static void Main()

    {

        double centimetres;

        double result;

        string string1;

        Console.WriteLine("Enter the number of centimetres:");

        string1 = Console.ReadLine();

        centimetres = double.Parse(string1);

        result = centimetres / 2.54;

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

        Console.WriteLine();

    }

}