#include <iostream>
#include <sstream>
#include <string>

int main() {
    std::string line;
    while (std::getline(std::cin, line)) // reads in a line
    {
        std::istringstream stream(line);
        std::string spaceless;
        std::string word;
        while (stream >> word) // get words on the line without any whitespace
        {
            spaceless += word; // assemble without spaces
            std::cout << spaceless << '\n';
        }
    }
	return 0;
}