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#include<fstream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int v[10001],i,j,m,n,k;
void mult(int k)
{
int r=0;
for(int i=1;i<=v[0];i++)
{
v[i]=v[i]*k+r;
r=v[i]/10;
v[i]%=10;
}
while(r!=0)
{
v[++v[0]]=r%10;
r/=10;
}
}
int main()
{
v[1]=v[0]=1;
f>>n;
for(i=1;i<=n;i++)
mult(i);
for(i=1;i<=n*n;i++)
mult(2);
for(i=v[0];i>=1;i--)
g<<v[i];
return 0;
}