#include <iostream>
#include <set>
#include <iterator>

using namespace std;

int main()
{
    int n, s, t;
    cin >> n >> s >> t;
    int a[n+1];
    set<int> index;

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

    int f, x;

    index.insert(s);

    ///stol vissza !!!!
    f=s-1;
    x=a[s];
    while(f>=1) {
        if(x-a[f]>=t) {
            x=a[f];
            index.insert(f);
        }
        f--;
    }

    ///stol elore
    f=s+1;
    x=a[s];
    while(f<=n) {
        if(a[f]-x>=t) {
            x=a[f];
            index.insert(f);
        }
        f++;
    }

    cout << index.size() << endl;

    set<int>::iterator ptr;

    for(ptr=index.begin(); ptr!=index.end(); ptr++) {
        cout << *ptr << " ";
    }


    return 0;
}