#include <iostream>
using std::cout;
using std::endl;

template<int X>
class factorial
{
public:
    enum { val = (X * factorial<X-1>::val) };
};

template<>
class factorial<1>
{
public:
    enum { val = 1 };
};

int main(int argc, char** argv)
{
    cout << "factorial<1>::val = " << factorial<1>::val << endl;
    cout << "factorial<2>::val = " << factorial<2>::val << endl;
    cout << "factorial<3>::val = " << factorial<3>::val << endl;
    cout << "factorial<4>::val = " << factorial<4>::val << endl;
    cout << "factorial<5>::val = " << factorial<5>::val << endl;
    cout << "factorial<6>::val = " << factorial<6>::val << endl;
    cout << "factorial<7>::val = " << factorial<7>::val << endl;
    cout << "factorial<8>::val = " << factorial<8>::val << endl;
    cout << "factorial<9>::val = " << factorial<9>::val << endl;
    cout << "factorial<10>::val = " << factorial<10>::val << endl;
    cout << "factorial<11>::val = " << factorial<11>::val << endl;
    cout << "factorial<12>::val = " << factorial<12>::val << endl;

        
    return 0;
}