import java.util.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		Scanner in = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);

		double sum = 0;
		double numerator = 1, denominator = 1;
		int n = in.nextInt();

		for (int i = 1; i <= n; i++) {
            		denominator = pow(i,i-1);
            		sum += (1.0*numerator)/denominator;
            		numerator*=i;
            	}
            	System.out.println("Сумма: " + sum);
		System.out.println("Числитель: " + numerator);
		System.out.println("Знаменатель: " + denominator);
	}
	public static double pow(double number, int power)
	{
		double answer = 1;
            	for (int i = 0; i < power; i++)
            	{
            		answer *= number;
            	}
		return answer;
	}
}