def solve(N, K):
    if N % K:
        return [-1]

    X = [1] * (N // K) + [N] * (N - N // K)
    if sum(x == 1 for x in X) != N // K:
        return [-1]

    return X


def main():
    N, K = map(int, input().split())
    ans = solve(N, K)
    print(*ans)


if __name__ == "__main__":
    main()