#include <iostream>
#include <fstream>
using namespace std;

int n, v[1001];
int aux[1001], lmax;

void citire()
{
    ifstream in ("scmax.in");
    in >> n;
    for(int i=1; i<=n; i++)
        in >> v[i];
    in.close();
}

void sclm()
{
    lmax = -1;
    int k, m;
    for(int i=2; i<=n; i++)
    {
        k = 0;
        m = -1;
        for(int j=1; j<i; j++)
            if(v[i] > v[j] && v[j] > m){
                aux[++k] = j;
                m = v[j];
            }
        ++k;
        if(k > lmax){
                aux[k] = i;
                lmax = k;
            }
    }
}

void afisare()
{
    ofstream out ("scmax.out");
    out << lmax << endl;
    for(int i=1; i<=lmax; i++)
        out << v[aux[i]] << " ";
    out.close();
}

int main()
{
    citire();
    sclm();
    afisare();
    return 0;
}