#include<fstream>

using namespace std;

ifstream in("combinari.in");
ofstream out("combinari.out");

int n,k,sol[20];

void afisare()
{
	int i;
	for(i=1;i<=k;++i)
		out<<sol[i]<<" ";
	out<<"\n";
}

void bkt(int p)//completeaza sol[p]
{
	if(p==k+1)
	{
		afisare();
		return;
	}
	int i;
	for(i=1+sol[p-1];i<=n;++i)//parcurg valorile pe care le poate lua sol[p]
	{
		sol[p]=i;
		bkt(p+1);
	}
}

int main()
{
	in>>n>>k;
	bkt(1);
	return 0;
}