#include<bits/stdc++.h>
#define int long long
using namespace std;
int n,k;
void solve()
{
	scanf("%lld%lld",&n,&k);
	if(k==0)
	{
		printf("-1\n");
		return;	
	}
	for(int i=1;i<k;i++)
	{
		printf("%lld ",i+1);
	}
	printf("1 ");
	for(int i=k+1;i<=n;i++)
	{
		printf("%lld ",i);
	}
	printf("\n");
}
signed main()
{
	solve();
	return 0;
}