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



int main() {
    ll N,K;
    cin>>N>>K;
    if(N==1){
        if(K==1){
            cout<<1<<endl;
        }
        else{
            cout<<-1<<endl;
        }
        return 0;
    }
    if(N%K==0){
        for(int i=0;i<N/K;i++)cout<<1<<" ";
        for(int i=N/K;i<N;i++)cout<<2<<" ";
        cout<<endl;

    }
    else{
        cout<<-1<<endl;
    }
}