n, k = map(int, input().split())
s = list('o' * n)
for _, i in sorted((x, i) for i, x in enumerate(map(int, input().split())))[:k]:
    s[i] = 'x'
ans = []
for i, (a, b) in enumerate(zip(s, s[1:])):
    if a == 'x' and b == 'o':
        ans.append(i + 2)
print(len(ans))
print(*ans)