#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
#ifdef LOCAL
#include <algo/debug.h>
#else
#define debug(...) void(0)
#endif

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll N, K; cin >> N >> K;
    vector<ll> A(N); for(int i = 0; i < N; i++) cin >> A[i];
    auto check = [&](ll x) -> bool {
        int ret = 0;
        for(int i = 0; i < N; i++) {
            if(A[i] <= x) ret++;
        }
        return ret <= K;
    };
    ll ok = 1, ng = 1LL << 60;
    while(abs(ok - ng) > 1) {
        ll mid = (ok + ng) / 2;
        if(check(mid)) ok = mid;
        else ng = mid;
    }
    vector<ll> ans;
    for(int i = 1; i < N; i++) {
        if(A[i - 1] <= ok && A[i] > ok) ans.push_back(i + 1);
    }
    cout << int(ans.size()) << endl;
    for(auto a: ans) {
        cout << a << " ";
    }cout << endl;
}