#include <fstream>
using namespace std;
ifstream fin("patrate2.in");
ofstream fout("patrate2.out");
long cn, n, x;
int main()
{
    fin>>n;
    long long s1=1, s2=1;
    x=2;
    cn=n;
    n=n*n;
    while(n>0)
    {
        if(n%2==1)
        {
            s1=s1*x;
            x=x*x;
            n=n/2;
        }
        else
        {
            x=x*x;
            n=n/2;
        }
    }
    while(cn>1)
    {
        s2=s2*cn;
        cn--;
    }
    fout<<s1*s2;
    return 0;
}