using System;

class Program
{
    static void Main()
    {
        string text = Console.ReadLine();
        int inWorkCount = int.Parse(text);
        text = Console.ReadLine();
        int day = int.Parse(text);

        int workCount = inWorkCount;
        for (int loop1 = 0; loop1 < day - 1; loop1++) workCount -= workCount / (int) Math.Pow(day - loop1, 2);
        Console.WriteLine(workCount.ToString());
    }
}