#include <bits/stdc++.h>
using namespace std;

int main() {

    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    vector<string> P={"0"," 1"," 11"," 110"," 2402"," 128967"," 16767653"," 5436906668"," 4406952731948"," 8819634719356421"," 43329348004927734247","522235268182347360718818"," 15436131339319739257518081878"};
    int N;
    cin>>N;
    cout<<P[N]<<endl;
}