#include <iostream>
#include <algorithm>
#include <vector>
#include <cstdio>
#include <map>
#include <string>
#include <climits>

using namespace std;

int main() {
	int n;
	cin >> n;
	int a[] = { 1, 7, 8, 9, 4, 5, 6, 1, 2, 3, 0 };
	cout << a[n] << endl;
}