cub

#include <bits/stdc++.h>
using namespace std;

int n, v[1001], vf = 0, x;

int main()
{
    int st[1001];
    cin >> n;
    for(int i = 1; i <= n; i++){
        cin >> v[i];
    }
    for (int i = 1; i <= n; i++){
        //cout << v[i] << " ";
        if ( vf == 0 )
        {
            st[++vf] = i;
        }
        else
        {
            if ( v[i] <= v[st[vf]] )
            {
                st[++vf] = i;
            }
            else
            {
                //cout << v[st[vf]] <<endl;
                while ( v[i] > v[st[vf]] && vf != 0 )
                {
                    //cout << v[st[vf]] <<endl;
                    vf--;
                }
                //cout << "----- " << endl;
                st[++vf] = i;
            }

        }
        //cout << st[vf] << endl;

    }
    cout << vf << endl;
    for (int i = 1; i <= vf; i++){
        cout << st[i] << " ";
    }
}