#include <fstream>

using namespace std;

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

int n,m,v[18];

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

void bt ( int k, int i )
{
	for ( i = i + 1; i <=n; ++i )
	{
		v[k] = i;

		if ( k == m )
			print();
		else
			bt ( k + 1, i );
	}
}

int main()
{
	fin >> n >> m;

	bt (1,0);
}