using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Seleccione una conversion");

     Console.WriteLine("1. ºC  a  ºF");

      Console.WriteLine("2. ºF  a  ºC");

      int n=Convert.ToInt32(Console.ReadLine()); 

      if(n==1){

          Console.WriteLine("Ingresa grados centigrados");

          double c = Convert.ToDouble(Console.ReadLine());

          double f=(c*1.8)+(32);

          Console.WriteLine(c+"ºC equivale a "+f+"ºF");

      }else{

          Console.WriteLine("Ingresa grados fahrenheit");

          double f = Convert.ToDouble(Console.ReadLine());

          double c=(f-32)*0.55;

          Console.WriteLine(f + "ºF equivale  a " +c+ "ºC");

      }

           Console.ReadLine();

    }

}