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#include <fstream>
using namespace std;
ifstream fin("patrate2.in");
ofstream fout("patrate2.out");
int n,i,v[3001],j,t;
int main()
{
fin>>n;
v[0]=v[1]=1;
for(i=2;i<=n;i++)
{
for(j=1;j<=v[0];j++)
{
v[j]=v[j]*i+t;
t=v[j]/10;
v[j]=v[j]%10;
}
while(t)
{
v[++v[0]]=t%10;
t=t/10;
}
}
for(i=1;i<=n*n;i++)
{
for(j=1;j<=v[0];j++)
{
v[j]=v[j]*2+t;
t=v[j]/10;
v[j]=v[j]%10;
}
if(t)
v[++v[0]]=t--;
}
for(i=v[0];i>0;i--)
fout<<v[i];
fout.close();
return 0;
}