package sequence_two;

import java.io.FileReader;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.ArrayList;

import java.util.Scanner;

public class SequenceTwo {

public static void main(String[] args) throws IOException {

Scanner sc = new Scanner(new FileReader("input.txt"));

int n = Integer.parseInt(sc.nextLine());

String[] line = sc.nextLine().split(" ");

ArrayList<Integer> numbers = new ArrayList<>();

for (String number : line) {

numbers.add(Integer.parseInt(number));

}

int leftMax = -1000000;

for (int i = 0; i < numbers.size(); i++) {

if (leftMax < numbers.get(i)) {

leftMax = numbers.get(i);

}

if (i > 0 && i+1 < numbers.size()) {

for (int k = i+1; k < numbers.size(); k++) {

if (numbers.get(i) < leftMax && numbers.get(i) < numbers.get(k)) {

numbers.remove(i);

i--;

break;

}

}

}

}

PrintWriter out = new PrintWriter(System.out);

out.println(numbers.size());

for (int number : numbers) {

out.print(number + " ");

}

out.flush();

}

}