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

ok = 0
ng = 10**18

while abs(ok-ng) > 1:
    mid = (ok+ng)//2
    cnt = 0
    for i in range(N):
        if A[i] <= mid:
            cnt += 1
    if cnt <= K:
        ok = mid
    else:
        ng = mid

ans = []
for i in range(N-1):
    if A[i] <= ok and A[i+1] > ok:
        ans.append(i+2)

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