#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
#define NMAX 100005
using namespace std;

ifstream fin ("scmax.in");
ofstream fout ("scmax.out");

int n, v[NMAX], cnt, poz[NMAX];
int q[NMAX];

void afishare (int i, int cnt)
{
    if(poz[i]==cnt)
    {
        if(i)
            afishare(i-1, cnt-1);
        fout<<v[i]<<" ";
    }
    else if(i)
        afishare(i-1, cnt);
}

int main()
{
    fin>>n;
    for(int i=1; i<=n; i++)
        fin>>v[i];
    for(int i=1; i<=n; i++)
    {
        int pos = lower_bound(q, q+cnt, v[i]) - q;
        cout<<pos<<" ";
        if(pos == cnt)
        {
            poz[i]=cnt;
            q[(cnt++)]=v[i];
        }
        else
        {
            q[pos]=v[i];
            poz[i]=pos;
        }
    }
    cnt--;
    fout<<cnt+1<<"\n";
    afishare(n, cnt);

    return 0;
}