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

using namespace std;

// Read in a single line of input
// and write out the words from it,
// one word per line.  (A word is
// nonwhitespace characters.)

int main(int argc, char* argv[]){
  string line, word;
  if(!getline(cin, line)){
    cerr << "couldn't read in a line of input" << endl;
    return 1;
  }
  istringstream lineStream(line);
  while(lineStream >> word){
    cout << word << endl;
  }
  return 0;
}