public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
float num = scanner.nextFloat();
System.out.printf("%.3f", num);
}
}
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
float num = scanner.nextFloat();
System.out.printf("%.3f", num);
}
}