N,K = map(int,input().split())
A = list(map(int,input().split()))
high = max(A)
low = 0
while high-low>1:
    mid = (high+low)//2
    cnt = 0
    for i in range(N):
        if A[i]<=mid:
            cnt += 1
    if cnt>=K:
        high = mid
    else:
        low = mid
ans = []
for i in range(1,N):
    if A[i]>high and A[i-1]<=high:
        ans.append(i+1)
print(len(ans))
print(*ans)