УРКОП 2011: A

#include <cstdio>
#include <iostream>

using namespace std;

int res[] = {5, 20, 12, 2, 1, 4, 6, 1, 4, 4, 1, 0};

int main() {
    int a;
    cin >> a;
    cout << res[a];
    return 0;
}