#include <iostream>
#include <fstream>

//Subsir strict crescator maximal

using namespace std;

const int MAXN = 100001;

ifstream f("scmax.in");
ofstream g("scmax.out");

int N, a[MAXN]; //Datele de intrare
int L[MAXN];    //L[i] = lungimea maxima a unui subsir crescator care incepe cu pozitia i
int lmax;       //Lungimea maxima a unui subsir crescator
int poz;        //Pozitia primului element din subsir

void dinamica()
{
    L[N] = 1;
    lmax = 1;
    poz = N;
    for(int i = N - 1; i >= 1; i--)
    {
        int maxs = 0;
        for(int j = i + 1; j <= N; j++)
            if(a[i] < a[j] && L[j] > maxs)
                    maxs = L[j];
        L[i] = 1 + maxs;
        if(L[i] > lmax)
        {
            lmax = L[i];
            poz = i;
        }
    }
}

void subsir()
{
    for(int i = poz; i <= N; i++)
        if(a[i] >= a[poz] && L[i] == lmax)
        {
            g << a[i] << ' ';
            lmax--;
        }
}

int main()
{
    f >> N;
    for(int i = 1; i <= N; i++)
        f >> a[i];
    dinamica();
    g << lmax << '\n';
    subsir();
    f.close();
    g.close();
    return 0;
}