#include <fstream>
using namespace std;

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

int n,k,v[100],i;

void scrie(int x)
{
	for (int i=1;i<=x;i++)
		fout <<v[i]<<" ";
	fout <<"\n";
}

void bk(int x)
{
	for (int i=v[x-1]+1;i<=n;i++)
	{
		v[x]=i;
		if (x==k)
			scrie(x);
		else
			bk(x+1);
	}
}

int main()
{
	fin >>n>>k;
	bk(1);
	return 0;
}