// 	Worksheet 4
//	#5
import java.util.Scanner;
class ConvertTemp
{
	public static void main(String[] args)
	{	Scanner input = new Scanner(System.in);
		System.out.print("Choose (C/F): ");
		String choice = input.next();
		if(choice.equalsIgnoreCase("C"))
		{
			System.out.print("Temp. in Celsius: ");
			double cel = input.nextDouble();
			double fah = 9.0/5 * cel + 32;
			System.out.println("Temp. in Fahrenheit: " + fah);
		}
		else if(choice.equalsIgnoreCase("F"))
		{
			System.out.print("Temp. in Fah.: ");
			double fah = input.nextDouble();
			double cel = 5.0/9 * (fah - 32.0);
			System.out.println("Temp. in Celsius: " + cel);
		}
	}
}