using namespace std;
#include<iostream>
#include<fstream>

int main() {

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

    int n;

    fin >> n;

    int fact = 1;

    for (int i = 2; i<=n; i++) {
        fact = fact * i;
    }

    for (int i = 1; i<=n*n; i++) {
        fact = fact *2;
    }

    fout << fact;

    fin.close();
    fout.close();

    return 0;
}