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



void solve() {
	int n,k;cin>>n>>k;
	if(n%k||k>n) cout<<"-1";
	else {
		int a=n/k;
		for(int i=1;i<=a;++i) cout<<"1 ";
		for(int i=a+1;i<=n;++i) cout<<i<<" "; 
	}
}
 
int main() {
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int _;_=1;
	while(_--) solve();
	return 0;
}