02. Print Equal Strings

import java.util.Scanner;

public class SequencesofEqualStrings {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String input = in.nextLine();
        String[] elements = input.split(" ");
        System.out.print(elements[0]);
        for (int i = 1; i < elements.length; i++) {
            if (elements[i].equals(elements[i - 1])) {
                System.out.print(" " + elements[i]);

            } else {
                System.out.println();
                System.out.print(elements[i]);
            }

        }

    }

}