#include <cstdio>

using namespace std;
int v[1000000];
void prod (int b){
    int t=0,i;
    for (i=1;i<=v[0];i++){
        v[i]=v[i]*b+t;
        t=v[i]/10;
        v[i]%=10;
    }
    while (t!=0){
        v[++v[0]]=t%10;
        t/=10;
    }
}
int main()
{
    FILE *fin=fopen ("patrate2.in","r");
    FILE *fout=fopen ("patrate2.out","w");
    int n,i;
    fscanf (fin,"%d",&n);
    v[0]=v[1]=1;
    for (i=2;i<=n;i++)
        prod (i);
    for (i=0;i<n*n;i++)
        prod (2);
    for (i=v[0];i>0;i--)
        fprintf (fout,"%d",v[i]);
    return 0;
}