using System;
using System.Numerics;

class Program
{
    public static BigInteger CalculateCustomFactoriel(int x)
    {
        BigInteger result = 1;
        while (x > 0)
        {
            result *= x;
            x--;
        }
        return result;
    } // testing method
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        int sumOfFives = 0;
        int powedFive = 1;
        int result;
        for (int i = 1; i < n; i++)
        {
            powedFive = (int)Math.Pow(5, i);
            result = n / powedFive;
            if (result > 1)
            {
                Console.WriteLine(result);
                sumOfFives += result;
            }
            else
            {
                break;
            }
        }
        Console.WriteLine(sumOfFives);
        Console.WriteLine(CalculateCustomFactoriel(n));  // for test
    }
}