12
 1378
 51202278
 989898989
 4
 7
 9
 6
 8
 12193721
 999999995
 999999999
 11
 999999996
 999999998
 3
 14
 15
 10
 999999994
 1000
 13781378
 5
 999999997
 1000000000
 13
 16
 0

6
 4
 4
 8
 6
 2
 8
 4
 6
 8
 2
 2
 2
 6
 4
 2
 4
 2
 4
 4
 6
 4
 8
 8
 6
 8
 6
 1

import java.util.*;
import java.math.*;
import java.io.*;

public class practice {
    public static int ans(long l,long r,long val,int ans){
        long m = l + (r - l) / 2L;
        if (val < m)
            return ans(l, m - 1, val, ans - 1);
        else if (val > m)
            return ans(m + 1, r, val, ans - 1);
        else
            return ans;
    }
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
       int n = Integer.parseInt(br.readLine());
       int arr[] = new int[5];
       arr[1] = 8;
       arr[2] = 4;
       arr[3] = 2;
       arr[4] = 6;
       if(n == 0) System.out.println(1);
       else{
           int v = n%4;
           if(v == 0) System.out.println(6);
           else System.out.println(arr[v]);
       }
    }
}