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#include <fstream>
using namespace std;
ifstream fin("patrate2.in");
ofstream fout("patrate2.out");
void inmulteste(int x);
int n, a[1005];
int main()
{
int i;
fin >> n;
a[0] = a[1] = 1;
for (i=1;i<=n;i++)
inmulteste(i);
for (i=1;i<=n*n;i++)
inmulteste(2);
for (i=a[0];i>=1;i--)
fout << a[i];
fout << '\n';
return 0;
}
void inmulteste(int x)
{
int i, t=0, p;
for (i=1;i<=a[0];i++)
{
p = a[i]*x+t;
a[i] = p%10;
t = p/10;
}
while (t)
{
a[++a[0]] = t%10;
t/=10;
}
}