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

signed main() {
	int n, s, t;
	cin >> n >> s >> t;
	vector<int> v(n+1);
	for(int i = 1; i <= n; i++) {
		cin >> v[i];
	}

	vector<int> ans;
	ans.push_back(s);
	int now = v[s];

	for(int i = s+1; i <= n; i++) {
		if (v[i] - now >= t) {
			now = v[i];
			ans.push_back(i);
		}
	}
	now = v[s];
	for(int i = s-1; i > 0; i--) {
		if (now - v[i] >= t) {
			now = v[i];
			ans.push_back(i);
		}
	}
	cout << ans.size() << '\n';
	sort(ans.begin(), ans.end());
	for(auto i : ans) cout << i << ' ';
	
	return 0;
	
}