// demo program using vector container and sort

#include <iostream>     // std::cout, std::cin
#include <vector>       // std::vector
#include <string>		// std::string
#include <algorithm>    // std::sort


int main(int argc, char const *argv[])
{
	// create a vector/array of strings
	std::vector<std::string> words;

	// collect string from stdin
	std::string input;
	while (std::cin >> input) {  // nulptr on EOF
		words.push_back(input);
	}

	// sort words
	std::sort(words.begin(), words.end());

	// print to stdout
	for (std::string & word : words) {
		std::cout << "<" + word + ">" << std::endl;
	}

	/*
	// works too
	for (auto it = words.begin(); it != words.end(); ++it) {
		std::cout << "<" + *it + ">" << std::endl;
	}
	*/

	return EXIT_SUCCESS;
}