// Tuzijatek.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <deque>
#include <vector>

using namespace std;

int i, n, kezd, tav, elozo;
deque <int> s;

int main()
{
    cin >> n >> kezd >> tav;
    vector <int> x(n + 1);

    for (i = 1; i <= n; ++i)
    {
        cin >> x[i];
    }

    s.push_front(kezd);
    elozo = x[kezd];
    for (i = kezd-1; i >= 1; --i)
    {
        if (elozo - x[i] >= tav)
        {
            s.push_front(i);
            elozo = x[i];
        }
    }

    elozo = x[kezd];
    for (i = kezd+1; i <= n; ++i)
    {
        if (x[i] - elozo >= tav)
        {
            s.push_back(i);
            elozo = x[i];
        }
    }

    cout << s.size() << "\n";
    for (auto& e : s)
    {
        cout << e << " ";
    }
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file