package Practice;

import java.io.BufferedReader;

import java.io.InputStreamReader;

import java.util.StringTokenizer;

public class B1024 { //¼ö¿­ÀÇ ÇÕ

public static void main(String[] args) throws Exception {

// TODO Auto-generated method stub

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

StringTokenizer st = new StringTokenizer(br.readLine());

int N = Integer.parseInt(st.nextToken());

int L = Integer.parseInt(st.nextToken());

for(int i = L; i <= 100; i++) {

StringBuilder sb = new StringBuilder();

int num = N / i, sum = 0;

num -= ((i % 2 == 0) ? i - 2 : i - 1) / 2;

if(num < 0) {

System.out.println(-1);

return ;

}

for(int j = 0; j < i; j++) {

sum += num;

sb.append(num++).append(' ');

}

if(sum == N) {

System.out.println(sb);

return;

}

}

System.out.println(-1);

}

}