import sys

n, k = [int(x) for x in input().split()]
a = [int(x) for x in input().split()]

b = sorted(a)
b.append(10 ** 10)

x = b[k-1]

c = []

for i in range(1, n):
	if a[i] > x and a[i-1] <= x:
		c.append(i + 1)
		
print(x, file=sys.stderr)
print(len(c))
print(*c)