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

int main()
{
    ifstream f("scmax.in");
    ofstream g("scmax.out");
    long long a[100001],n,i,maxim=1,m[100001],nr,j,p;
    f>>n;
    for(i=1;i<=n;i++)
    {
        f>>a[i];
    }
    m[n]=1;
    p=n;
    for(i=n-1;i>=1;i--)
    {
        nr=0;
        for(j=i+1;j<=n;j++)
        {
            if(a[j]>a[i] && nr<m[j])
            {
                nr=m[j];
            }
        }
        m[i]=nr+1;
        if(m[i]>maxim)
        {
            maxim=m[i];
            p=i;
        }
    }
    g<<maxim<<"\n";
    g<<a[p]<<" ";
    for(i=p+1;i<=n;i++)
    {
        if(a[i]>a[p] && m[i]==maxim-1)
        {
            g<<a[i]<<" ";
            maxim--;
        }
    }
    return 0;
}