using System;

public class Program

{

    public static void Main()

    {

        double fNumber, cNumber;

        string input;

        Console.WriteLine("Please Enter Fahrenheit number ");

        input = Console.ReadLine();

        fNumber = double.Parse(input);

        cNumber= ((fNumber - 32)* 5)/9;

        Console.WriteLine("Fahrenheit : " + fNumber + " = Celcius : "+cNumber );

    }

}