#include<fstream>
using namespace std;
int main()
{int n=1,p,r=1;
ifstream f("factorial.in");
ofstream g("factorial.out");
f>>p;
while (p!=0) { n=n*r*(r+1)*(r+2)*(r+3)*(r+4);
r=r+5;
p=p-1;
}
g<<n;
f.close();
g.close();
return 0;
}