#include <iostream>

template <typename T> std::string debug_rep(const T& t)
{
	std::ostringstream ret(t);
	return ret.str();
}

template <typename T> std::string debug_rep2(const T& t)
{
	std::ostringstream ret;
	ret << t;
	return ret.str();
}

int main() {
	// your code goes here
	return 0;
}