#include <iostream>
#include <fstream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");


int Ridicare(int x, int n) {
    int p = 1;
    for (int i = 0; i < n; i++)
        p *= x;
    return p;
}
int Factorial(int x)
{
    int p=1;
    for(int i=1;i<=x;i++)
    {
        p=p*i;
    }
    return p;
}
int main()
{int n;
   f>>n;
 int long long x=Factorial(n)*Ridicare(2,n*n);;

   g<<x;
    return 0;
}