#include <iostream>

int main(void){
	std::cout << "Hello" 	<< std::endl;
	std::cout << std::endl 	<< "Hello";
	std::cout << 15 		<< std::endl;
	std::cout << 15.3 		<< std::endl;
	std::cout << 'a' 		<< std::endl;
	std::cout << -5 		<< std::endl;

	return 0;
}