N,K=map(int,input().split())
A=[(a,i) for i,a in enumerate(map(int,input().split()))]
A.sort()
sleep=[False]*N
for _,i in A[:K]:
    sleep[i]=True
ans_lst=[]
for i in range(1,N):
    if not sleep[i] and sleep[i-1]:
        ans_lst.append(i)
print(len(ans_lst))
print(*[ans+1 for ans in ans_lst])