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

public class yukicoder
{
    public static void Main()
    {
        long l = long.Parse(Console.ReadLine());
        long n = long.Parse(Console.ReadLine());
        
        long work = l / 3;
        long shisu;
        if(work == 1)
        {
            shisu = 1;
        }
        else
        {
            shisu = (long)Math.Pow(8, work - 1);
        }
        
        Console.WriteLine(n * shisu);
        
    }
}