using System;

​

public class Program

{

    public static void Main()

    {

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

        int result= num/2;

        if (num % 2 == 3)

        {

            Console.WriteLine("Result {0}, 5", result);

        }

        else

        {

            Console.WriteLine("Result {0}, 5",result);

        }

    }

}