#include <iostream>
#include <fstream>

using namespace std;

ifstream in ("patrate2.in");
ofstream out ("patrate2.out");

int main()
{
    int n, i, sol;
    in >> n;
    sol = 1;
    for (i = 2; i <= n; i++)
    {
        sol *= i;
    }
    for (i = 1; i <= n * n; i++)
    {
        sol *= 2;
    }
    out << sol << "\n";
    in.close();
    out.close();
    return 0;
}