import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

     Scanner sc = new Scanner(System.in);
     String n = sc.nextLine();

     int number = Integer.parseInt(n);

     double firstYear = (number + number / 20d)  ;
     System.out.printf("%.2f%n",firstYear);

     double secondYear = firstYear + firstYear / 20d ;
     System.out.printf("%.2f%n" , secondYear );

     double thirdYear = secondYear + secondYear/ 20d ;
        System.out.printf("%.2f%n" , thirdYear);

    }
}