#include <bits/stdc++.h>
#define show(x) cerr << #x << " = " << x << endl
using namespace std;
using ull = unsigned long long;
template <typename T>
vector<T> Vec(int n, T v)
{
    return vector<T>(n, v);
}
template <class... Args>
auto Vec(int n, Args... args)
{
    auto val = Vec(args...);
    return vector<decltype(val)>(n, move(val));
}

int main()
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    int P;
    cin >> P;
    constexpr ull ans[19] = {
        3ULL,
        45ULL,
        513ULL,
        5625ULL,
        60633ULL,
        645705ULL,
        6811353ULL,
        71302185ULL,
        741719673ULL,
        7675477065ULL,
        79079293593ULL,
        811713642345ULL,
        8305422781113ULL,
        84748805030025ULL,
        862739245270233ULL,
        8764653207432105ULL,
        88881878866888953ULL,
        899936909802000585ULL,
        9099432188218005273ULL,
    };
    cout << ans[P - 1] << endl;
    return 0;
}