using System;

public class Program

{

    public static void Main()

    {

        //ANA FERNANDA MORALES RODRÍGUEZ

        int num;

        Console.WriteLine("Please write an number divisible by 5, if you follow the instruction, I will keep asking.");

        num = int.Parse(Console.ReadLine());

        while (num % 5 == 0)

        {

            Console.WriteLine("Write another number divisible by 5.");

        num = int.Parse(Console.ReadLine());

        }

        Console.WriteLine("That is not divisible by 5, thanks!");

    }

}