#include<bits/stdc++.h>
using namespace std;

#define pb emplace_back
#define mp make_pair
 
using ll = long long;
using pii = pair<int,int>;
 
constexpr int mod = 998244353;
constexpr int inf = 0x3f3f3f3f;
constexpr int N = 2e5 + 10;

void _main(){
  int n, k;
  cin >> n >> k;
  if(n % k == 0){
    vector<int> a(n);
    for(int i=0; i<n/k; ++i)  a[i] = 1;
    for(int i=n/k; i<n; ++i)  a[i] = 2;
    for(int i=0; i<n; ++i)  cout << a[i] << " \n"[i == n - 1];
  } else {
    cout << "-1\n";
  }
}

int main(){
  ios::sync_with_stdio(0);
  cin.tie(0); cout.tie(0);
  _main();
  return 0;
}