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

ok=0
ng=int(1e9)+5

def f(n):
    cnt=0
    for a in A:
        if a<=n:cnt+=1
    return cnt<=K

while ng-ok>1:
    m=(ok+ng)//2
    if f(m):ok=m
    else:ng=m

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)