#include <iostream>
#include <cstdlib>
using namespace std;

//Output the integers from FIRST to LAST inclusive.
//If FIRST > LAST, just print FIRST.

template <int FIRST, int LAST>
void count()
{
	cout << FIRST << "\n";
	count<FIRST >= LAST ? 0 : FIRST + 1, FIRST >= LAST ? 0 : LAST>();
}

template <>
inline void count<0, 0>() {}

int main()
{
	count<-1, 4>();    //-1 to 4 inclusive
	return EXIT_SUCCESS;
}