import java.io.*;
import java.util.*;

public class Program_16_1 {
	public static void main(String [] args) throws Exception {
		Scanner scanner = new Scanner(new File("document.text"));

		while (scanner.hasNextLine()) {
			String line = scanner.nextLine().trim();

			int start = 0;
			int index = line.indexOf(' ');
			while (index >= 0) {
				String word = line.substring(start, index);
				System.out.println(word);
				start = index+1;
				index = line.indexOf(' ', index+1);
			}
			String word = line.substring(start);
			System.out.println(word);
			System.out.println();
		}
	}
}