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

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