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#include <fstream>
using namespace std;
ifstream f("patrate2.in");
ofstream g("patrate2.out");
int v[10005];
int n;
void inmul(int x)
{
int t = 0;
for(int i = 1; i<=v[0]; i++, t/=10)
{
t += v[i]*x;
v[i] = t % 10;
}
while(t != 0)
{
v[0]++;
v[v[0]] = t % 10;
t /= 10;
}
}
int main()
{
f>>n;
v[0] = 1;
v[1] = 1;
for(int i = 1; i<=n; i++)
{
inmul(i);
}
for(int i = 1; i<=n*n; i++)
{
inmul(2);
}
for(int i = v[0]; i>=1; i--)
{
g<<v[i];
}
return 0;
}