大佬求调

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n,k;
	cin>>n>>k;
	if(n==1&&k==0) cout<<-1;
	else if(k==0)
	{
		for(int i=1;i<=n;i++) cout<<i<<" ";
	}
	//else if(k==1&&n>1) cout<<-1;
	else if(n<k) cout<<-1; 
	else
	{
		cout<<k<<" ";
		for(int i=2;i<=k;i++) cout<<i-1<<" ";
		for(int i=k+1;i<=n;i++) cout<<i<<" "; 
	}
    return 0;
}