public class Program
{
    public static void Main()
    {
        int num = int.Parse(Console.ReadLine() ?? string.Empty);
        //string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;


        if(num % 2 == 0)
        {
            Console.WriteLine("{0} {1}", 2, num / 2);
        }
        else
        {
            Console.WriteLine("{0} {1}", 3, num / 3);
        }

    }
}