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

border = B[K - 1]
ans = []

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