#include <fstream>
using namespace std;
ifstream fin("scmax.in");
ofstream fout("scmax.out");
long long n,a[100009],i,j,lmax,b[100009],nr,l,c[100009];
int main()
{
    fin>>n;
    for(i=1;i<=n;i=i+1)
    {
        fin>>a[i];
    }
    lmax=1;
    for(i=1;i<=n-lmax;i=i+1)
    {
        nr=a[i];
        l=1;
        b[l]=a[i];
        for(j=i+1;j<=n;j=j+1)
        {
            if(a[i]<a[j] && nr<a[j])
            {
                l=l+1;
                nr=a[j];
                b[l]=nr;
            }
            else
            {
                if(a[i]<a[j] && nr>a[j])
                {
                    nr=a[j];
                    b[l]=nr;
                }
            }
        }
        if(l>lmax)
        {
            lmax=l;
            for(j=1;j<=lmax;j=j+1)
            {
                c[j]=b[j];
            }
        }
    }
    fout<<lmax<<"\n";
    for(i=1;i<=lmax;i=i+1)
    {
        fout<<c[i]<<" ";
    }
    fin.close();
    fout.close();
    return 0;
}