import java.util.Scanner;

/**
 * Created by petar on 24.3.2016 г..
 */
public class Problem3LargestSequenceOfEqualString {
    public static void main(String[] args) {
        Scanner console = new Scanner(System.in);

        String[] input = console.nextLine().split(" ");
        int sequenceLength = 1;
        int sequenceStartIndex = 0;
        int bestSequenceLength = -50;

        for (int i = 1; i < input.length; i++) {
            if (input[i].equals(input[i - 1])) {
                sequenceLength++;
                if (sequenceLength > bestSequenceLength) {
                    bestSequenceLength = sequenceLength;
                    sequenceStartIndex = i - bestSequenceLength +1;
                }
            }
            else{
                sequenceLength =1;
            }

        }

        for (int i = sequenceStartIndex; i < bestSequenceLength + sequenceStartIndex; i++) {
            System.out.print(input[i] + " ");

        }
    }
}