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

#include <bits/stdc++.h>
using namespace std;

int lcm (int a, int b) {
	return a / __gcd (a, b) * b;
}

int main()
{
   int n, m = 0;
    cin >> n;
    if(n % 4 == 1){
        cout << 8;
    } else if(n % 4 == 2){
        cout << 4;
    }
    else if(n % 4 == 3){
        cout << 2;
    }
    else if(n % 4 == 0){
        cout << 6;
    }
}
