N, K = map(int, input().split())
A = list(map(int, input().split()))
D = sorted(A)
v = D[K-1]

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