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

public class ReverseTranspose {
	public static void main(String[] args) {
    	MyScanner s = new MyScanner(System.in);
    	ArrayList<ArrayList<Integer>> nums = new ArrayList<>();
        String line;
        int word;
        int k = 0, h = 0;
        try {
            while (s.hasNextLine()) {
                line = s.nextLine();
                k = 0;
                MyScanner s2 = new MyScanner(line);
                while(s2.hasNextInt()) {
                    k++;
                    if (k > h)
                        nums.add(new ArrayList<Integer>());
                    word = s2.nextInt();
                    nums.get(k-1).add(word);
                if (k > h)
                    h = k;
            }
    	    }
            for (int i = 0; i < nums.size(); i++) {
                for (int j = 0; j < nums.get(i).size(); j++) {
                    System.out.print(nums.get(i).get(j) + " ");
                }
                System.out.println();
            }
        } catch (IOException e) {
            System.out.println("An error has occured with scanner: " + e.getMessage());
        }
    }
}