N, K = map(int, input().split())
A = list(map(int, input().split()))

A_sorted = sorted(A)

sleep_value = A_sorted[K - 1]

ans = []
for k in range(1, N):
    if A[k - 1] <= sleep_value and A[k] > sleep_value:
        ans.append(k + 1)

print(len(ans))
print(*ans)