#include<iostream> 
using namespace std;

template< template<int N> class  C,int K> 
void f(C<K>){
  cout<<K<<endl;
};

template<int N> struct SomeClass {};

main() {
  SomeClass<1>  c1;
  SomeClass<2>  c2;

  f(c1);/* C=SomeClass K=1*/
  f(c2);/* C=SomeClass K=2*/
}