#include <bits/stdc++.h>
using namespace std;
using ll = long long;
// const ll MOD = 1e9+7;

#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, s, t; cin >> n >> s >> t;
    vector<int> a(n), res;
    for (int i = 0; i < n; i++) cin >> a[i];
    
    s--;
    res.push_back(s);
    int prevh = a[s];
    for (int i = s-1; i >= 0; i--) {
    	if (abs(a[i]-prevh) < t) continue;
    	res.push_back(i);
    	prevh = a[i];
    }
    
    prevh = a[s];
    for (int i = s+1; i < n; i++) {
    	if (abs(a[i]-prevh) < t) continue;
    	res.push_back(i);
    	prevh = a[i];
    }
    
    cout << res.size() << "\n";
    sort(res.begin(), res.end());
    for (int i : res) cout << i+1 << " ";

    return 0;
}