import sys, time, random
from collections import deque, Counter, defaultdict
def debug(*x):print('debug:',*x, file=sys.stderr)
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 61 - 1
mod = 998244353

n, k = mi()

for x in range(1, n + 1):
    if x * k == n:
        
        ans = []
        for i in range(x):
            ans.append(1)
        while len(ans) < n:
            ans.append(2)
        if 1 <= max(ans) <= n:
            print(*ans)
            exit()
print(-1)