N, K = map(int, input().split())
A = list(map(int, input().split()))
sleep, wake = 0, 10**9
while wake-sleep > 1:
    mid = (wake+sleep)//2
    cnt = 0
    for i in range(N):
        if A[i] <= mid:
            cnt += 1
    if cnt > K:
        wake = mid
    else:
        sleep = mid

ans = []
for i in range(1, N):
    if A[i-1] <= sleep and A[i] > sleep:
        ans.append(i+1)
print(len(ans))
print(*ans)