#include "bits/stdc++.h"
using namespace std;
#define ll long long int

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n;
    cin >> n;
    switch (n%6) {
        case 0: cout << 4; break;
        case 1: cout << 2; break;
        case 2: cout << 8; break;
        case 3: cout << 5; break;
        case 4: cout << 7; break;
        case 5: cout << 1; break;
    }
    cout << endl;
    return 0;
}