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

def func(n):
    cnt = 0
    for i in range(N):
        if A[i] <= n:
            cnt += 1
    return cnt

left = 0
right = 10**9+1
while left+1 < right:
    mid = (left+right)//2
    if func(mid) < K:
        left = mid
    else:
        right = mid

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

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