#include <iostream>
 
int main() 
{
	std::cout << "'trol' = " << 'trol' << std::endl;
	std::cout << "L'trol' = " << L'trol' << std::endl;
	std::cout << "U'trol' = " << U'trol' << std::endl;
	std::cout << "u'trol' = " << u'trol' << std::endl;

	std::cout << "'tr' = " << 'tr' << std::endl;
	std::cout << "L'tr' = " << L'tr' << std::endl;
	std::cout << "U'tr' = " << U'tr' << std::endl;
	std::cout << "u'tr' = " << u'tr' << std::endl;

	
	return 0;
}