import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int y = n + 8;
		int b = y - 2;
		double p =(double) (n + y + b) /3;
		System.out.println(n);
		System.out.println(y);
		System.out.println(b);
		System.out.println(String.format("%.1f", p));
	}
}
/**************************************************************
	Problem: 1612
	User: admin
	Language: Java
	Result: Accepted
	Time:641 ms
	Memory:40708 kb
****************************************************************/