#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef unsigned long long int ull;

mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
ll myRand(ll B) { return (ull)rng() % B; }

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    vector<int> a = {7, 8, 9, 4, 5, 6, 1, 2, 3, 0};
    int n;
    cin >> n;
    cout << a[n - 1] << endl;
}