import java.io.*;
public class Graus
{
	public static void main(String []args)
	{
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		try
		{
			int cel, fah;
			System.out.print("INFORME A TEMPERATURA EM FAHRENHEIT:");
			fah = Integer.parseInt(in.readLine( ));
			cel = ((fah-32)*5)/9;
			System.out.print("O VALOR " + fah + " FAHRENHEIT EQUIVALE A  " + cel + " CELSIUS.");
		}
		catch(IOException e)
		{			
			System.out.print("Erro de leitura");
		}
		
	}
}



/*
início
 	real: Fah,Cel;
	escreva ("Informe a temperatura em Fahrenheit:");
	leia (Fah);
	Cel? (( Fah - 32 )* 5) / 9;
 	imprima ("O valor de" ,Fah, "Fahrenheit equivale a" ,Cel, "Celsius");
fim.
*/