#include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define rep2(i, n) for(int i = 0; i <= (int)n; i++)
#define pb push_back
using namespace std;

int main(){
    int n,d;
    cin>>n>>d;
    vector<int> stars(n);
    rep(i,n){
        cin>>stars[i];
    }
    vector<int> bocching_star;
    rep(i,n){
        int bocchi = stars[i];
        bool bochi = true;
        rep(j,n){
            if(j==i) continue;
            if(abs(bocchi-stars[j])<=d){
                bochi = false;
                break;
            }
        }
        if(bochi) bocching_star.pb(i+1);
    }
    cout<<bocching_star.size()<<endl;
    rep(i,bocching_star.size()){
        cout<<bocching_star[i]<<" ";
    }
    cout<<'\n';
}