import math
import sys
input = sys.stdin.readline
N, K = map(int, input().split())
for i in range(1, N+1):
    g = math.gcd(N, i)
    j = i//g
    k = N//g
    if j==1 and k==K:
        ans = [l for l in range(1, N+1)]
        for l in range(i):
            ans[l] = 1
        print(*ans)
        exit()
print(-1)