namespace AtCoder;

#nullable enable

using System.Numerics;

static class Extensions
{
    public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray();
}

class AtCoder
{
    object? Solve()
    {
        var n = Int();
        var k = Int();
        var az = n.Repeat(Int);
        bool F(int x)
        {
            var c = 0;
            for (var i = 0; i < n; i++) if (az[i] <= x) c++;
            return c <= k;
        }
        int BinarySearch(int pass, int fail)
        {
            while (Math.Abs(pass - fail) > 1)
            {
                var middle = (pass + fail) >> 1;
                if (F(middle)) pass = middle; else fail = middle;
            }
            return pass;
        }
        var y = BinarySearch(-1, az.Max() + 1);
        var ans = new List<int>();
        for (var i = 1; i < n; i++) if (az[i - 1] <= y && y < az[i]) ans.Add(i + 1);
        Out(ans.Count);
        Out(ans, " ");
        return null;
    }

    public static void Main() => new AtCoder().Run();
    public void Run()
    {
        var res = Solve();
        if (res != null)
        {
            if (res is bool yes) res = yes ? "Yes" : "No";
            sw.WriteLine(res);
        }
        sw.Flush();
    }

    string[] input = Array.Empty<string>();
    int iter = 0;
    readonly StreamWriter sw = new(Console.OpenStandardOutput()) { AutoFlush = false };

    string String()
    {
        while (iter >= input.Length) (input, iter) = (Console.ReadLine()!.Split(' '), 0);
        return input[iter++];
    }
    T Input<T>() where T : IParsable<T> => T.Parse(String(), null);
    int Int() => Input<int>();
    void Out(object? x, string? separator = null)
    {
        separator ??= Environment.NewLine;
        if (x is System.Collections.IEnumerable obj and not string)
        {
            var firstLine = true;
            foreach (var item in obj)
            {
                if (!firstLine) sw.Write(separator);
                firstLine = false;
                sw.Write(item);
            }
        }
        else sw.Write(x);
        sw.WriteLine();
    }
}