import java.util.Scanner;

public class TemperatureConverter {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        System.out.println("请输入温度值：");
        double value = scanner.nextDouble();
        
        System.out.println("请输入单位（C表示摄氏度，F表示华氏度）：");
        String unit = scanner.next().toUpperCase();
        
        if (unit.equals("C")) {
            double f = value * 9.0 / 5.0 + 32.0;
            System.out.println(value + "℃ = " + f + "℉");
        } else if (unit.equals("F")) {
            double c = (value - 32.0) * 5.0 / 9.0;
            System.out.println(value + "℉ = " + c + "℃");
        }
        
        scanner.close();
    }
}