import sys
input = sys.stdin.readline

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

OK=10**10
NG=-1

while OK>NG+1:
    mid=(OK+NG)//2
    score=0

    for a in A:
        if a<=mid:
            score+=1

    #print(mid,score)
    if score>=K:
        OK=mid
    else:
        NG=mid
#print(OK)

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

print(len(ANS))
print(*ANS)