using System;

public class Program

{

    public static void Main()

    {

        double F, K;

        Temperatura T = new Temperatura();

        Console.WriteLine("Programa que Convierte de Kelvin a Fahrenheit");

        Console.WriteLine("Ingrese los Kelvin");

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

        F = T.CalcularF(K);

        Console.WriteLine("Los Fahrenheit son: " + F);

    }

    public class Temperatura

    {

        private double F;

        public double CalcularF (double K)

        {

            F = (9(K-273.15)/5+32);

            return F;

        }

    }

}