import java.util.ArrayList;

import java.util.List;

import java.util.Map;

import java.util.Scanner;

public class BigNum {

public List<Integer> solution(int n, int[] arr){

List<Integer> answer = new ArrayList<>();

answer.add(arr[0]);

for (int i = 1 ; i < n; i++){

if(arr[i] > arr[i-1])

answer.add(arr[i]);

}

return answer;

}

public static void main(String[] args) {

BigNum t = new BigNum();

Scanner scanner = new Scanner(System.in);

int n = scanner.nextInt();

int[] arr = new int[n];

for (int i=0; i < n; i++){

arr[i] = scanner.nextInt();

}

List<Integer> solution = t.solution(n, arr);

for (Integer i : solution) {

System.out.print(i + " ");

}

}

}