#include <iostream>

using namespace std;

template<int N, int M>
class blah
{
public:
     void foo();    
};

template <>
void blah<0,0>::foo()
{
    cout<<"Both elements are zero"<<endl;
}


template <int M>
void blah<M, 1>::foo()
{
    cout<<"The right element is 1"<<endl;
}

template <int N, int M>
void blah<N,M>::foo()
{
    cout<<"It is something else"<<endl;
}

int main(int argn, char** args)
{
    blah<0,0> zero;
    zero.foo();
    blah<1,0> one;
    one.foo();
    blah<2,2> two;
    two.foo();

}