inp = input()
n = inp.split()[0]
k = inp.split()[1]

def hantei(n, k):
	men_kazu = []
	n_int = int(n)
	k_int = int(k)
	kai = ''
	if n_int % k_int == 0:
		for i in range(n_int // k_int):
			men_kazu.append(1)
		for j in range( n_int - (n_int // k_int)):
			men_kazu.append(j + 2)
	else:
		men_kazu.append(-1)

	for s in men_kazu:
		kai += str(s)
		for t in range(len(men_kazu) - 1):
			kai += ' '
	print(kai)

hantei(n, k)