#include<fstream>
using namespace std;
ifstream cin("combinari.in");
ofstream cout("combinari.out");
int st[999],p,i,n,k;

void afisare(int p){
	for(i=1;i<=p;++i)
		cout<<st[i]<<" ";
	cout<<endl;
}
void back(int p){
	int pval;
	for(pval=st[p-1]+1;pval<=n;++pval){
		st[p]=pval;
		 if(p==k) afisare(p);
					else back(p+1);
	}
}
int main()
{
	cin>>n>>k;
	back(1);
	
	return 0;
}