using System;
using System.Collections.Generic;
using System.Linq;

class Program
{
    public void Solve()
    {
        string[] c = Console.ReadLine().Split(' ');

        if (c[1] == "2") { Console.WriteLine("4"); }
        else if (c[1] == "3") { Console.WriteLine("1"); }
        else { Console.WriteLine("14"); }
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}