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

int n;
int fact( int x )
{
    int p=1;
    for(int i=1;i<=x;++i) p=p*i;
    return p; 
}

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

int main()
{
    fi>>n;
    //if (n==1)  fo<<2; else
    //if (n==2) fo<<32; else
    //if (n==3) fo<<3072; else
    fo<<fact(n)*pow(2*1.0,n*n);
    return 0;
}