#include <bits/stdc++.h>
using namespace std;
const int maxn = (1e5) + 12;
const int INF = (1e9);
const long long inf = (1e18);
const double eps = (1e-9);
const long double PI = acos(-1);
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int n, ans = 8;
  cin >> n;
  if (!n) {
    cout << "1";
    return 0;
  }
  if (n % 4 == 0) ans = 6;
  if (n % 4 == 1) ans = 8;
  if (n % 4 == 2) ans = 4;
  if (n % 4 == 3) ans = 2;
  cout << ans;
  return 0;
}
