#큰 수 출력하기

 

import java.util.ArrayList;
import java.util.Scanner;

class Main {
    public ArrayList<Integer> solution(int n, int[] arr) {
        ArrayList<Integer> answer = new ArrayList<>();

        //1번째는 무조건 추가
        answer.add(arr[0]);

        for(int i = 1; i < arr.length; i++) {
            if(arr[i] > arr[i-1]) {
                answer.add(arr[i]);
            }

        }

        return answer;
    }

    public static void main(String[] args) {
        Main T = new Main();
        Scanner kb = new Scanner(System.in);

        int n = kb.nextInt();
        int[] arr = new int[n];
        for(int i = 0; i < arr.length; i++) {
            arr[i] = kb.nextInt();
        }

        for(int x : T.solution(n, arr)){
            System.out.print(x + " ");
        }
    }
}