#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ifstream in("patrate2.in");
    ofstream out("patrate2.out");
    int n, i, p=1;
    in>>n;
    for(i=2; i<=n; i++) p*=i;
    for(i=1; i<=n*n; i++) p*=2;
    out<<p;
    return 0;
}