#include <iostream>
	#include <vector>
	#include <string>
	#include <sstream>
	
	int main() {
	    std::string sentence;
	    std::cout << "Enter a sentence please: "; std::cout.flush();
	    
	    std::getline(std::cin,sentence);
	    std::istringstream iss(sentence);
	    
	    std::vector<std::string> words;
	    std::string word;
	    while(iss >> word) {
	        words.push_back(word);
	    } 
	    
	    for(std::vector<std::string>::const_iterator it = words.begin();
	        it != words.end();
	        ++it) {
	        std::cout << *it << ' ';
	    }
	    std::cout << std::endl;	return 0;
	}