#include <bits/stdc++.h>
#define rep(i, ss, ee) for (int i = ss; i < ee; ++i)
using namespace std;

void solve() {
  unsigned N;
  cin >> N;
  vector<unsigned> v{4, 2, 8, 5, 7, 1};
  cout << v[N % 6] << endl;
}

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  solve();
  getchar();
}