#include<iostream>

template<
	size_t sizeValue,
	typename NumericType>
class Base
{
	protected:
		NumericType n;
	public:
		typedef NumericType val_t;

		Base(val_t t):n(t)
		{
		}
};


template<
	size_t sizeValue,
	typename unusedType
>
class Derived;


template<
	size_t sizeValue
>
class Derived<sizeValue, int> : public Base<sizeValue, int>
{
	public:
		Derived() : Base<sizeValue, val_t>(1)
		{
		}
};

int main()
{
	Derived<12, int> d;
}