#include<cstdio>
using namespace std;
const int D=40000;
const int B=100000;
int a[D];
void prod(int v[], int val)
{
    int i,r=0;
    for(i=1;i<=v[0] or r;i++)
    {
     v[i]=val*v[i]+r;
     r=v[i]/10;
     v[i]=v[i]%10;
    }
    v[0]=i-1;
}
int main()
{   freopen("patrate2.in","r",stdin);
    freopen("patrate2.out","w",stdout);
    int n,i;
    scanf("%d",&n);
    a[0]=a[1]=1;
    for(int i=2;i<=n;i++) prod(a,i);
    for(int i=1;i<=n*n;i++) prod(a,2);
    for(i=a[0];i;i--) printf("%d",a[i]);
    return 0;
}