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

using namespace std;

// 1 2 3 4 5 6 7 8 9 m
// 7 8 9 0 5 6 4 2 3 1

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