#include <bits/stdc++.h>
#include <iostream>
using namespace std;

int main() {
    int n, k, temp;

    cin >> n >> k;

    vector<int> gyorsabb;

    for (int i = 0; i < n; i++) {
        cin >> temp;
        if (temp < k) {
            gyorsabb.push_back(i+1);
        }
    }

    cout<<gyorsabb.size()<<" ";
    for (int i = 0; i < gyorsabb.size(); i++) {
        cout<<gyorsabb[i]<<" ";
    }


}