#include <iostream>

#include <fstream>

using namespace std;

ifstream f("2lan.in");

ofstream g("2lan.out");

int n, r,c;

int main()

{
   f >> n;

   if (n==0) c=1;

   else
   {
       r=n%4;

       if (r==1) c=2;

       if (r==2) c=4;

       if (r==3) c=8;

       if (r==0) c=6;

   }
   g << c;
}