using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        string fahrenheit; double celsius;

            Console.WriteLine("enter the temperature in fahrenheit");

            fahrenheit=Console.ReadLine();

            Console.WriteLine("your tempertature in fahrenheit was"+fahrenheit);

            double temp= Convert.ToDouble(fahrenheit);

            celsius= (temp-32)*5/9; 

            Console.WriteLine("your temperature in celsius is "+celsius);

    }

}