import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        
        double distance = sc.nextDouble();  // distance in meters
        int sec = sc.nextInt();           // secon
        int minutes = sc.nextInt();       
        int hour = sc.nextInt();          

        int timesec = (hour * 3600) + (minutes * 60) + sec;
         if(distance>100000 || timesec == 0){
            System.out.println("Invalid Input");
            return ;
        }
        double mps = distance / timesec;
        double kph = (distance / 1000) / (timesec / 3600.);
        double mph = kph / 1.609;

        System.out.printf("%.2f%n", mps);
        System.out.printf("%.2f%n", kph);
        System.out.printf("%.2f%n", mph);
        Scanner.close();
    }
}