#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
const int N=200010;
const ll mod=998244353;
int n,k;
void solve(){
	cin>>n>>k;
	if(k==0){
		cout<<-1<<endl;
		return;
	}
	if(k==1){
		for(int i=1;i<=n;i++){
			cout<<i<<" ";
		}
		cout<<endl;
		return;
	}
	for(int i=1;i<=n;i++){
		if(i<k){
			cout<<i+1<<" ";
		}else{
			if(i==k){
				cout<<1<<" ";
			}else{
				cout<<i<<" ";
			}
		}
	}
}

int main(){
	std::ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int _=1;
	while(_--){
		solve();
	}
	return 0;
}