import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int k = sc.nextInt();
		int[] a = new int[n];
		for (int i = 0; i < n; i++) {
			a[i] = sc.nextInt();
		}
		sc.close();

		int ok = 1000000001;
		int ng = 0;
		while (Math.abs(ok - ng) > 1) {
			int mid = (ok + ng) / 2;
			int cnt = 0;
			for (int i = 0; i < n; i++) {
				if (a[i] < mid) {
					cnt++;
				}
			}
			if (cnt >= k) {
				ok = mid;
			} else {
				ng = mid;
			}
		}

		int cnt = 0;
		StringBuilder sb = new StringBuilder();
		for (int i = 1; i < n; i++) {
			if (a[i - 1] < ok && a[i] >= ok) {
				cnt++;
				sb.append(i + 1).append(' ');
			}
		}
		if (cnt > 0) {
			sb.deleteCharAt(sb.length() - 1);
		}
		System.out.println(cnt);
		System.out.println(sb.toString());
	}
}