using System;

​

public class Program

{

    public static void Main()

    {

        findPMP(40, 30, 30);

    }

​

    private static void findPMP(int n1, int n2, int i)

    {

        if (i == 1)

            Console.WriteLine("Ska");

        else

        {

            if (n1 % i == 0 && n2 % i == 0)

                Console.WriteLine("PMP = " + i);

            else

            {

                findPMP(n1, n2, i - 1);

            }

        }

    }

}