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#include <fstream>
using namespace std;
int n,i,nr,v[12000];
void inm(int w[], int c)
{
int i,t=0;
for(i=1;i<=w[0];i++)
{
w[i]=t+c*w[i];
t=w[i]/10;
w[i]%=10;
}
while(t>0)
{
w[0]++;
w[w[0]]=t%10;
t=t/10;
}
}
int main()
{
ifstream f("patrate2.in");
ofstream g("patrate2.out");
f>>n;
nr=2;
v[0]=v[1]=1;
for(i=2; i<=n; i++)
inm(v,i);
for(i=1; i<=n*n; i++)
inm(v,nr);
for(i=v[0]; i>=1; i--)
g<<v[i];
f.close(); g.close();
return 0;
}